Windows & BSOD errors

161 errors. Choose the message that matches your computer.

161 errors
Windows & BSOD

0x0000007E

A system thread threw an unhandled exception. A very common Windows BSOD caused by drivers.

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Windows & BSOD

0x000000EF

A critical system process (winlogon, csrss, lsass) has terminated. Typical causes include malware and bad update.

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Windows & BSOD

0x0000003B

A system service threw an exception. Caused by drivers or system files.

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Windows & BSOD

0x00000050

Windows accessed an invalid memory address. The usual suspects are defective RAM, corrupt driver and overheating.

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Windows & BSOD

0xC004F074

Windows could not contact the activation server or the key is invalid. Typical causes include hardware change and offline PC.

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Windows & BSOD

0x80070005

Windows Update failed due to permissions or blocking. It's also often linked to corrupted UpdateDB.

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Windows & BSOD

KERNEL_SECURITY_CHECK_FAILURE

Windows has detected corruption of kernel data structures. Most often caused by a faulty driver or memory corruption.

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Windows & BSOD

KERNEL_DATA_INPAGE_ERROR

Windows could not retrieve the requested data from the paging file or disk. Typically a disk or RAM problem.

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Windows & BSOD

DPC_WATCHDOG_VIOLATION

The Deferred Procedure Call was not handled in time. Caused by driver or SSD firmware issues.

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Windows & BSOD

UNEXPECTED_KERNEL_MODE_TRAP

The CPU generated an interrupt that the kernel could not catch. Typically HW error or damaged driver.

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Windows & BSOD

STATUS_ACCESS_VIOLATION

The application attempted to access a protected area of ​​memory. Most often an application or driver error.

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Windows & BSOD

0x8000FFFF

Windows Update encountered an unexpected error and cannot download or install updates. This usually traces back to stopped BITS service and not enough disk space.

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Windows & BSOD

0xC0000005

The application attempted to access memory to which it does not have access rights. Typical application or driver error.

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Windows & BSOD

0x0000004A

A critical Windows error indicating that a system service was accessed with an IRQL that was too high. This usually traces back to incompatible software (antivirus, firewall) and bad device driver.

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Windows & BSOD

KMODE_EXCEPTION_NOT_HANDLED

A kernel process generated an exception that the system could not handle. It usually points to faulty drivers or memory.

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Windows & BSOD

PFN_LIST_CORRUPT

The PFN (Page Frame Number) data structure is corrupted. The system detected an inconsistency in memory.

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Windows & BSOD

0x80070422

Windows Update has been disabled or is not working properly. Unable to download updates.

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Windows & BSOD

0xC000021A

A critical user subsystem (such as WinLogon or CSRSS) has been critically terminated. The system cannot continue to run.

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Windows & BSOD

WU-0x80070002

Windows cannot check for or install updates. Error code: 0x80070002.

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Windows & BSOD

WU-0x80070057

Windows cannot check for or install updates. Error code: 0x80070057.

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Windows & BSOD

WU-0x80004005

Windows cannot check for or install updates. Error code: 0x80004005.

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Windows & BSOD

WU-0x80070005

Windows cannot check for or install updates. Error code: 0x80070005.

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Windows & BSOD

WU-0x80070422

Windows cannot check for or install updates. Error code: 0x80070422.

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Windows & BSOD

WU-0x8009000B

Windows cannot check for or install updates. Error code: 0x8009000B.

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Windows & BSOD

WU-0x80072EE7

Windows cannot check for or install updates. Error code: 0x80072EE7.

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Windows & BSOD

WU-0x8007001F

Windows cannot check for or install updates. Error code: 0x8007001F.

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Windows & BSOD

WU-0x80070424

Windows cannot check for or install updates. Error code: 0x80070424.

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Windows & BSOD

WU-0x80070643

Windows cannot check for or install updates. Error code: 0x80070643.

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Windows & BSOD

SVC-FAIL-wuauserv

The wuauserv service terminated unexpectedly. Services dependent on this process may not work.

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Windows & BSOD

SVC-FAIL-BITS

The BITS service has terminated unexpectedly. Services dependent on this process may not work.

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Windows & BSOD

SVC-FAIL-Winmgmt

The Winmgmt service terminated unexpectedly. Services dependent on this process may not work.

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Windows & BSOD

SVC-FAIL-Spooler

The Spooler service terminated unexpectedly. Services dependent on this process may not work.

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Windows & BSOD

SVC-FAIL-LanmanWorkstation

The LanmanWorkstation service terminated unexpectedly. Services dependent on this process may not work.

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Windows & BSOD

SVC-FAIL-LanmanServer

The LanmanServer service terminated unexpectedly. Services dependent on this process may not work.

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Windows & BSOD

SVC-FAIL-CryptSvc

The CryptSvc service terminated unexpectedly. Services dependent on this process may not work.

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Windows & BSOD

SVC-FAIL-TermService

TermService terminated unexpectedly. Services dependent on this process may not work.

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Windows & BSOD

SVC-FAIL-Audiosrv

The Audiosrv service terminated unexpectedly. Services dependent on this process may not work.

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Windows & BSOD

SVC-FAIL-VSS

The VSS service terminated unexpectedly. Services dependent on this process may not work.

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Windows & BSOD

0x00000133

A deferred procedure call (DPC) routine took too long and crashed the system. Reports of DPC_WATCHDOG_VIOLATION usually describe a sudden crash, brief unresponsiveness, or a stop-code screen appearing out of nowhere.

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Windows & BSOD

0x0000009F

The driver put the device into an erroneous power state and the system crashed. This can also stem from sleep/Hibernate Problems.

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Windows & BSOD

0x0000003B

An exception occurred while transitioning from unprotected user code to a protected kernel. The usual suspects are corrupt system files (ntoskrnl.exe), conflict with antivirus software and faulty Windows Updates.

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Windows & BSOD

0x0000007B

Windows lost access to the root system partition during startup. Typical causes include change disk controller mode in BIOS (IDE -> AHCI/RAID) and corrupt storage driver.

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Windows & BSOD

0x0000000A

A kernel process attempted to access memory at an unauthorized high interrupt level (IRQL). Typical causes include badly programmed driver and processor overheating.

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Windows & BSOD

0x0000001E

A program running in kernel mode generated an exception that was not caught by the routine code. The usual suspects are incompatibility of hardware and new driver, system hit by rootkit and faulty third party service.

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Windows & BSOD

0x000000EF

A critical system process (eg svchost, csrss, wininit) terminated unexpectedly. This usually traces back to malware terminating important processes, extensive registry corruption and failed to read from SSD disk.

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Windows & BSOD

0x000000FC

An attempt was made to execute code in memory that is marked as 'read only'. This usually traces back to outdated and incompatible drivers, buffer Overflow attack and defective RAM.

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Windows & BSOD

0x00000050

An error occurred when requesting non-paged memory because the data was not found there. Reports of PAGE_FAULT_IN_NONPAGED_AREA usually describe a sudden crash, brief unresponsiveness, or a stop-code screen appearing…

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Windows & BSOD

0x000000C2

The current thread made an invalid request to the memory pool. Work through the steps below in order.

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Windows & BSOD

0x00000109

The kernel has detected corruption of key system data or kernel memory structure. This usually traces back to faulty RAM (bit flipped) and android emulators with a bug (eg old BlueStacks).

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Windows & BSOD

0x00000116

An attempt to reset the graphics driver and recover after timeout failed. It's most often caused by severely unstable GPU overclocking and card physical malfunction.

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Windows & BSOD

0x00000139

The kernel detected corruption of security-critical data structures. Another common trigger is driver conflict (typically anticheat or antivirus).

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Windows & BSOD

0x00000024

Fatal error inside NTFS driver. The usual suspects are corrupt file system on hard disk, serious problem with SATA cable and HDD physical damage (bad sectors).

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Windows & BSOD

0x000000EA

A thread has been waiting for a device in hardware state for an infinite amount of time. Common triggers are typically the graphics or sound card driver has looped and bad power profile activated.

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Windows & BSOD

PRN-OFFLINE

Although the printer is turned on and connected, Windows says it is in Offline mode. Another common trigger is the WSD port created an incorrect connection.

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Windows & BSOD

WIN-APP-CRASH-0xc0000005

The application crashed with exception code 0xc0000005. This is a general memory access error.

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Windows & BSOD

DISK-USAGE-100

The system gets extremely stuck, the response takes seconds, the disk is lit at 100% in the task manager. It's most often caused by sysMain (SuperFetch) or Windows Search aggressively index and corrupt paging file.

medium · Open step-by-step guide
Windows & BSOD

WIN-LICENSE-EXPIRE

Windows pops up with a message that activation will expire. It also occurs frequently with legal systems of activated organizations (KMS).

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Windows & BSOD

0x80070422

Windows Update reports error 0x80070422 and refuses to download updates. It sometimes comes down to BITS (Background Intelligent Transfer) is turned off.

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Windows & BSOD

0x80073712

Windows updates fail with code 0x80073712 due to corrupt or missing component system files. See the troubleshooting steps below for the fix.

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Windows & BSOD

CLOCK-WATCHDOG-TIMEOUT

The processor waited too long for a response from another processor or core and caused a BSOD. Common triggers are unstable CPU or RAM overclocking (XMP) and incorrect setting of C-states in BIOS.

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Windows & BSOD

MEMORY-INTEGRITY-INCOMP

Windows Security reports that Memory Integrity Protection is disabled due to an incompatible driver. Another common trigger is cheating software or old anti-cheat.

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Windows & BSOD

WINDOWS-DEFENDER-STUCK

Windows Defender Antivirus is causing 100% CPU or disk usage and is not responding. Typical causes include security definitions not updated and exception for system folders is not set.

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Windows & BSOD

MEM-LEAK-SYS

A critical system process is consuming available memory indefinitely. The usual suspects are faulty driver (Non-paged pool leak) and buggy background service.

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Windows & BSOD

0x8007007B

The filename, directory name, or volume label syntax is incorrect during activation. Reports of Windows activation error 0x8007007B usually describe a sudden crash, brief unresponsiveness, or a stop-code screen…

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Windows & BSOD

0x80070422

The Windows Defender service cannot start, leaving the system vulnerable. It's also often linked to third-party antivirus interference.

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Windows & BSOD

0x00000709

Windows cannot set the default printer or connect to a network printer. The usual suspects are registry key restriction and driver mismatch.

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Windows & BSOD

0x80070002

This error occurs when Windows Update or an installer attempts to access a critical installation file that has been deleted, moved, or corrupted. It's also often linked to damaged registry keys pointing to incorrect…

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Windows & BSOD

0x8007007e

The specified module could not be found. This error commonly occurs during Windows Updates, system service operations, or application launches when a critical DLL dynamic link library or driver component is missing.

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Windows & BSOD

0x8007045D

Request could not be performed because of an I/O device error. Often indicates failing sectors.

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Windows & BSOD

0x800704cf

The network location cannot be reached. Error occurs when trying to sign in to Microsoft services or access network drives.

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Windows & BSOD

0x80070643

This error is triggered when Windows Update fails to install the recovery partition update (often KB5034441) due to the Windows Recovery Environment (WinRE) partition size being too small. It's also often linked to…

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Windows & BSOD

0x80072efd

This error indicates that the Windows Update service encountered a network connection timeout while trying to reach Microsoft's update servers, usually caused by network filters, firewalls, or proxy settings.…

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Windows & BSOD

0x80080005

This error occurs when the Windows Update client fails to execute because the background service or security catalog database is corrupted, preventing Windows from downloading updates. Another common trigger is…

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Windows & BSOD

0x800F081F

This error is triggered when Windows Update or the DISM tool cannot locate the required source files to complete a system repair or component installation. Work through the steps below in order.

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Windows & BSOD

0x800f0922

This error is triggered when Windows Update fails to install due to a secure boot configuration mismatch, insufficient system reserved partition space, or a connection failure to Microsoft servers. See the…

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Windows & BSOD

0x800f0988

Windows cumulative updates fail to install with error code 0x800f0988, which points to corrupted component files in the Windows Side-by-Side (WinSxS) repository. The steps below are ordered to resolve this efficiently.

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Windows & BSOD

0x80240034

This error occurs when the Windows Update client fails to download the update package because the download transaction metadata or database state is corrupted. Work through the steps below in order.

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Windows & BSOD

0x80244007

SOAP client failed. This error is triggered during Windows Update scans when SOAP (Simple Object Access Protocol) XML messages are blocked or misformatted, often due to server-side session timeouts or proxy interference.

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Windows & BSOD

0x80244018

Windows Update connection was blocked by a proxy, firewall, or gateway, returning an HTTP 403 Forbidden status code. It sometimes comes down to corrupted software distribution directory files.

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Windows & BSOD

0x80246007

This error indicates that the update download was interrupted unexpectedly. This is typically related to background intelligent transfer service (BITS) dropouts or network conflicts.

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Windows & BSOD

0x803f8001

This error indicates a licensing or digital rights validation issue when launching or downloading games and apps from the Microsoft Store or Xbox App (such as Minecraft or Xbox Game Pass titles). The system cannot…

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Windows & BSOD

802-1X-AUTH-FAIL

Cannot connect to corporate or university Wi-Fi that uses 802.1X (RADIUS) authentication. Windows prompts for credentials repeatedly.

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Windows & BSOD

AUDIO-RENDERER-ERR

Browser (Chrome/Edge) reports 'Audio renderer error' and cannot play media until restarted. Another common trigger is exclusive mode lock by another application.

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Windows & BSOD

AUDIO-SERVICE-DEAD

The Windows Audio service (Audiosrv) has crashed or cannot start. No sound output is available system-wide.

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Windows & BSOD

BLUETOOTH-AUDIO-STUTTER

Wireless headphones/speakers connected via Bluetooth experience intermittent dropouts, stuttering or low audio quality. It's also often linked to USB 3.0 interference on nearby ports.

low · Open step-by-step guide
Windows & BSOD

BLUETOOTH-PAIRING-FAIL

Bluetooth device cannot complete the pairing process, shows 'Try connecting your device again' or stays stuck at 'Pairing'. Common triggers are driver mismatch after Windows update and too many paired devices in…

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Windows & BSOD

CPU-FAN-ERROR

The motherboard BIOS cannot detect a CPU fan signal during POST. System may refuse to boot to protect the CPU.

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Windows & BSOD

D3D11-CREATE-DEVICE-FAILED

The application or game could not initialize Direct3D 11. This occurs when the graphics driver is corrupted or the GPU does not support the required DirectX 11 features.

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Windows & BSOD

DIRECTSTORAGE-NOT-SUPPORTED

A game requires DirectStorage (GPU decompression) but it is not available, causing long load times or a launch failure. It's also often linked to windows 10 version below 1903 or Windows 11 required for full GPU path.

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Windows & BSOD

DISM-RESTOREHEALTH-FAIL

DISM fails to repair Windows Component Store with error 0x800f081f or 0x800f0906 when component source cannot be found. Follow the steps below to fix it.

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Windows & BSOD

DXGI-ERROR-DEVICE-REMOVED-3

The graphics card has been physically removed or a driver crash has caused the device to reset. This usually traces back to GPU Overclock instability and insufficient power supply voltage.

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Windows & BSOD

EVENT-ID-41-KERNEL-POWER

Windows logs Event ID 41 (Kernel-Power) after an unexpected power loss or system crash without a proper shutdown. This can also stem from BSOD that did not generate a dump file.

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Windows & BSOD

EVENT-ID-6008

Event Log records ID 6008 indicating the previous system shutdown was unexpected (power loss or hard crash). Another common trigger is BSOD without BSOD screen (automatic restart enabled).

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Windows & BSOD

HYPER-V-MEM-OVERCOMMIT

A Hyper-V VM crashes or Windows host becomes unresponsive due to memory overcommitment. Use the steps below to track down and fix the cause.

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Windows & BSOD

OPENGL-INVALID-OPERATION

An OpenGL command was issued that is not valid for the current OpenGL state. Application may crash or render incorrectly.

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Windows & BSOD

POWERCFG-HIGH-DRAIN

Laptop battery discharges significantly faster than expected, even in sleep/standby mode. Another common trigger is high background CPU usage (Windows Search, Defender).

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Windows & BSOD

SLEEP-WAKE-FAIL

The computer appears to enter sleep/standby but cannot wake up. Requires hard reset.

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Windows & BSOD

SMB-SIGN-MISMATCH

Cannot connect to a Windows file share. Error: 'The network path was not found' or 'Access denied' due to SMB signing policy conflict.

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Windows & BSOD

SPATIAL-SOUND-FAIL

Spatial sound format (Windows Sonic, Dolby Atmos, DTS) fails to activate or produces distorted output. It's also often linked to exclusive mode conflict.

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Windows & BSOD

STORAGE-SPACES-DEGRADED

A Storage Spaces pool is in a degraded state because one or more member drives failed or disconnected. The usual suspects are SATA/USB connection lost and disk firmware bug causing disconnection.

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Windows & BSOD

TASK-SCHEDULER-ERR

A Windows Task Scheduler task runs but exits with return code 0x1 (general error) or 0x41301 (task is running). Another common trigger is 'Run only when user is logged on' vs 'Run whether user is logged on or not'…

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Windows & BSOD

USB-DEVICE-NOT-RECOGNIZED

Windows shows the 'USB Device Not Recognized' notification and the device is not functional. Typical causes include USB port providing insufficient power and USB root hub driver error.

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Windows & BSOD

VULKAN-ERROR-OUT-OF-DATE-KHR

The Vulkan surface has changed (window resize, alt-tab) and the swapchain needs to be recreated. Games may crash instead of handling this.

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Windows & BSOD

VULKAN-VALIDATION-ERROR

Vulkan validation layers report API usage errors. Usually only visible to developers but can cause crashes in debug builds.

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Windows & BSOD

WINDOWS-ROLLBACK-STUCK

After a failed Windows update, the system is stuck at 'Reverting changes – Do not turn off your computer' for over an hour. It's also often linked to slow or failing storage drive.

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Windows & BSOD

WSL2-NETWORK-BROKEN

After the PC wakes from sleep, WSL2 has no internet connectivity. DNS fails and ping fails inside the subsystem.

medium · Open step-by-step guide
Windows & BSOD

WU-0x80070003

The system cannot find the path specified, preventing Windows Update, Windows Backup, or installer services from accessing the target directories. The steps below are ordered to resolve this efficiently.

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Windows & BSOD

WU-0x8007000d

The update data is invalid. This error indicates that the downloaded update files are incomplete, corrupted, or have failed validation checks.

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Windows & BSOD

WU-0x80070020

The process cannot access the file because it is being used by another process. This occurs when Windows Update attempts to modify or copy critical system files that are locked by a background program or third-party…

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Windows & BSOD

WU-0x80070490

The Component Store or Component-Based Servicing (CBS) manifest file is corrupted, causing Windows Update installation attempts to fail. It's also often linked to registry corruption inside the…

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Windows & BSOD

WU-0x80070bc2

A system restart is required to complete the installation of the update. The update installation enters a loop where it continually requests a reboot without completing.

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Windows & BSOD

WU-0x80073701

The referenced assembly could not be found. This error indicates missing or corrupted assembly manifest files inside the Windows Component Store (WinSxS).

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Windows & BSOD

WU-0x800b0100

No signature was present in the subject. This error indicates that the downloaded update files are missing digital signatures or have been corrupted, causing trust verification to fail.

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Windows & BSOD

WU-0x800f081f

The source files required for the Windows Update package could not be found, causing installation failure (often occurs during DISM deployment tasks or .NET Framework 3.5 updates). Work through the steps below in order.

high · Open step-by-step guide
Windows & BSOD

WU-0x800f0922

Windows Update fails to install, typically caused by insufficient space in the System Reserved or EFI System Partition (ESP), Secure Boot configuration conflicts, or active VPN connection blocks. Follow the steps…

high · Open step-by-step guide
Windows & BSOD

WU-0x800f0988

Windows Update fails to install cumulative updates, typically caused by system language pack mismatches, corrupted update package files, or incomplete servicing stack logs. Use the steps below to track down and fix…

high · Open step-by-step guide
Windows & BSOD

WU-0x80240017

The update is not applicable to the operating system. This usually happens when the update package architecture does not match your system (e.g. 64-bit update on 32-bit OS) or prerequisite updates are missing.

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Windows & BSOD

WU-0x80240020

The update installation was blocked or failed to trigger, typically due to upgrade registry locks or incomplete session parameters in the update database. Work through the steps below in order.

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Windows & BSOD

WU-0x80244018

Connection to the Microsoft update servers is blocked, usually caused by custom proxy servers, custom firewall rules, or stale DNS resolver cache settings. The steps below are ordered to resolve this efficiently.

medium · Open step-by-step guide
Windows & BSOD

WU-0x8024402c

Windows Update connection fails. This error occurs when the update client is unable to connect to the Windows Update servers, usually due to incorrect proxy settings, custom firewall restrictions, or invalid DNS…

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Windows & BSOD

WU-0x80246007

The update failed to download. This error indicates that the Background Intelligent Transfer Service (BITS) has stopped or is misconfigured, preventing file retrieval.

medium · Open step-by-step guide
Windows & BSOD

KERNEL_SECURITY_CHECK_FAILURE

The KERNEL_SECURITY_CHECK_FAILURE bug check has a value of 0x00000139. This BSOD indicates that the kernel has detected corruption of a critical data structure.

critical · Open step-by-step guide
Windows & BSOD

0xC0000428

Error code 0xC0000428 indicates that Windows Boot Manager could not verify the digital signature of a recently installed driver or system file. This prevents Windows from starting up properly.

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Windows & BSOD

REGISTRY_ERROR

The REGISTRY_ERROR bug check has a value of 0x00000051. This BSOD indicates that an I/O error occurred while the registry was trying to read one of its files, or that the registry has become corrupted due to hardware…

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Windows & BSOD

0x8024200B

A common Windows Update error code indicating that a driver or system file update could not be applied because the active device driver in the system is locked, corrupted, or has a signature mismatch. Use the steps…

medium · Open step-by-step guide
Windows & BSOD

0x800f081f

This error code is triggered when the Deployment Image Servicing and Management (DISM) tool or Windows Update fails to install packages because the required source files to repair the local component store (WinSxS)…

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Windows & BSOD

FAULTY_HARDWARE_CORRUPTED_PAGE

A FAULTY_HARDWARE_CORRUPTED_PAGE blue screen crash occurs when the Windows memory manager detects corruption in single-bit error correction memory pages, indicating failing physical memory or system file corruption.…

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Windows & BSOD

0x000001A

Stop code 0x0000001A (MEMORY_MANAGEMENT) indicates a severe Windows kernel memory management error. This is one of the most common critical BSODs in Windows 10 and 11.

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Windows & BSOD

KERNEL_AUTO_BOOST_LOCK_ACQUISITION_WITH_RAISED_IRQL

This BSOD occurs when a driver attempts to acquire a kernel auto-boost lock while operating at an elevated IRQL (Interrupt Request Level). This violates Windows kernel locking rules.

critical · Open step-by-step guide
Windows & BSOD

0xC000021A

Error 0xC000021A occurs when a critical user-mode subsystem process (Winlogon.exe or CSRSS.exe) terminates unexpectedly. Windows immediately issues a BSOD because these processes cannot safely terminate.

critical · Open step-by-step guide
Windows & BSOD

BOOTMGR-MISSING

The 'BOOTMGR is missing' error appears at startup before Windows loads. The Windows Boot Manager (BOOTMGR) is the first program loaded by UEFI/BIOS to find and launch the Windows OS loader.

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Windows & BSOD

WINDOWS-ACTIVATION-ERROR-0x803F7001

Windows cannot activate online and displays error 0x803F7001 (HRESULT: No valid Windows license found). This commonly occurs after significant hardware changes (motherboard replacement), when a digital license is not…

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Windows & BSOD

0x000000F4

A critical system process or thread was terminated unexpectedly, causing the system to halt. This can also stem from SATA/NVMe controller connection issue.

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Windows & BSOD

0xc0000034

The Windows boot loader file (winload.efi) is missing, corrupt, or unreadable, preventing the operating system from booting. It's also often linked to failing storage drive sectors.

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Windows & BSOD

Event ID 7034

A registered Windows system service terminated unexpectedly. It's also often linked to software conflicts or crashed processes.

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Windows & BSOD

BSOD on install

A blue screen of death (BSOD) crash occurs during the Windows installation process, preventing the setup from completing. It's most often caused by defective or unstable RAM modules and incorrect storage controller…

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Windows & BSOD

0x00000119

The video scheduler has detected a fatal violation in the display driver. Caused by graphics driver corruption, memory leaks or faulty GPU hardware.

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Windows & BSOD

0x00000154

The store component has thrown an unexpected exception. Caused by hard drive failure, SSD controller timeout, or corrupted system files.

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Windows & BSOD

0x000001D5

The Plug and Play (PnP) manager failed to initialize a driver within the timeout limit. Caused by incompatible hardware drivers, corrupt system files, or BIOS settings.

critical · Open step-by-step guide
Windows & BSOD

0x000000D1

A kernel-mode driver attempted to access pageable memory at a process IRQL that was too high. Caused by corrupt drivers, faulty memory, or antivirus software.

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Windows & BSOD

0x80070057

An invalid parameter was passed to a service or method (E_INVALIDARG). Commonly encountered during Windows Update, System Restore, or disk formatting.

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Windows & BSOD

0x80070003

The system cannot find the path specified. This error is most commonly encountered during failed Windows Update updates, store app installations, or profile migrations due to missing directory links.

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Windows & BSOD

0x80070017

A Cyclic Redundancy Check (CRC) error indicates that the operating system was unable to read data from a storage sector or installation media. Most commonly encountered during Windows installation, updates, or file…

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Windows & BSOD

0x000000C1

A special pool driver check detected that a kernel driver wrote to memory outside its allocated block. This is a critical RAM integrity BSOD.

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Windows & BSOD

0x80242006

The update handler failed to complete the installation process due to database corruption or service blocks. Commonly encountered during cumulative updates or security definition updates.

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Windows & BSOD

0x00000100

A Loader Block Mismatch occurs when the boot loader (Winload.efi) passes a system parameters block to the Windows kernel that is incompatible or corrupted. Commonly caused by corrupted boot records, memory faults, or…

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Windows & BSOD

0x80070091

The directory is not empty. Commonly occurs during failed System Restore operations or when attempting to delete Windows.old or app folders.

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Windows & BSOD

0x80004005

This is a generic Windows error code representing access denied, missing permissions, or registry blocks. Most commonly occurs during Windows update, networking/sharing folder setup, or virtual machine launching.

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Windows & BSOD

0x00000078

An unhandled exception occurred during the early boot phase (Phase 0 initialization). Commonly caused by unstable hardware overclocking, outdated CPU microcode, or incompatible RAM memory blocks.

critical · Open step-by-step guide
Windows & BSOD

0x00000019

The pool header checking routine detected corrupted memory blocks. This is a critical memory corruption BSOD.

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Windows & BSOD

0x80073CF9

The app package installation failed due to missing package directories or corrupted store database records. Commonly occurs when updating or installing games/applications from the Microsoft Store.

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Windows & BSOD

0x800F0984

The component store matching binary file is missing. This is a severe Windows Update corruption error that blocks cumulative updates from applying.

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Windows & BSOD

0x0000003D

A hardware interrupt was generated, but the kernel interrupt handler threw an unhandled exception. Commonly caused by driver memory violations, faulty motherboard chipset wiring, or BIOS settings.

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Windows & BSOD

0x800F0900

The CBS manifest file parsing failed due to corruption in the servicing stack directory. Commonly encountered during cumulative updates, Windows features activation, or DISM restore health execution.

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Windows & BSOD

0x8007000E

The system has run out of memory (RAM/virtual memory) required to process update downloads, allocate handles, or parse packages. Most commonly occurs during cumulative updates on systems with low physical RAM,…

medium · Open step-by-step guide
Windows & BSOD

0x800B0109

A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider. Commonly occurs during Windows Update downloads, driver installation, or app installation when registry…

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Windows & BSOD

0x80073D05

The application installation failed because the previously deleted application's data directory was not fully cleared or is locked. Commonly encountered when trying to reinstall Microsoft Store apps like Xbox,…

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Windows & BSOD

0x8024401F

The Windows Update client received an HTTP status 500 (Internal Server Error) response from the update server or local WSUS gateway. Commonly occurs due to server-side congestion, proxy server misconfigurations, or…

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Windows & BSOD

0x0000004E

The Page Frame Number (PFN) database list was detected as corrupted. This is a critical memory management BSOD.

critical · Open step-by-step guide
Windows & BSOD

0x80070070

There is insufficient disk space on the system drive (C:) or update cache partition to complete the installation. Commonly occurs during major Windows feature updates or large store downloads.

medium · Open step-by-step guide
Windows & BSOD

0xC0000006

An in-page read error occurred, meaning the system tried to load a file from memory but failed due to read/write hardware timeouts. Commonly occurs when launching games/apps from external drives or network shares.

high · Open step-by-step guide

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