What is 0x00000109?
0x00000109 is a critical-severity Windows operating system problem. 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). Work through the steps below in order.
Common Causes
- Faulty RAM (bit flipped)
- Memory modifying game cheats (kernel-level cheat)
- Android emulators with a bug (eg old BlueStacks)
Step-by-Step Fix Guide
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1
Disable cheats and suspicious drivers (like HWMonitor old versions)
Begin with Disable cheats and suspicious drivers (like HWMonitor old versions); it's the step that resolves 0x00000109 for the largest share of reported cases.
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2
Uninstall emulators and virtual machines
Persistent cases usually stem from less common windows instability factors, which the following steps are built to catch.
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3
Perform hardware diagnostics
"Perform hardware diagnostics" handles an edge case some users report with 0x00000109.
Commands & Diagnostics
sfc /scannow
Frequently Asked Questions
0x00000109 is most often triggered by faulty RAM (bit flipped). Other reports point to memory modifying game cheats (kernel-level cheat) and android emulators with a bug (eg old BlueStacks) as contributing factors.
"Disable cheats and suspicious drivers (like HWMonitor old versions)" clears up most 0x00000109 reports by itself. The remaining steps above cover what's left.
Treat 0x00000109 as urgent — it's flagged critical severity, meaning repeated occurrences risk data loss or hardware damage.
In most cases, yes — the guide above resolves 0x00000109 without a clean install. Treat a reinstall as the last resort, not the first move.
Sometimes. Microsoft regularly releases patches that fix known BSOD triggers including 0x00000109. Make sure Windows is fully up to date via Settings → Windows Update before attempting more advanced fixes.
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