Windows & BSOD · high

How to fix Access Violation - access denied0xC0000005

Windows & BSOD troubleshooting guide

What this error means

The application attempted to access memory to which it does not have access rights. Typical application or driver error. The usual suspects are defective RAM, CPU overheating and malware.

Updated

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 4 complete
01Update or reinstall the app
  1. Update or reinstall the app
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

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02MemTest86
  1. MemTest86
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
03Antivirus scan
  1. Antivirus scan
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
04Check system files
  1. Check system files
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible causes

  • Bug in application or driver
  • Defective RAM
  • CPU overheating
  • Malware

Useful Windows tools

These commands open Windows tools. Review changes before applying them.

mdsched.exe