Windows Error Code 0xFFFFF807: How to Fix It
Medium 30-60 minutes High Severity
Verified June 2026
- Error Code
- 0xFFFFF807
- Brand
- Reddit Validated
- Product Type
- operating_system
- Severity
- High
- DIY Difficulty
- Medium
- Estimated Fix Time
- 30-60 minutes
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How to Fix Error Code 0xFFFFF807
-
Boot into Safe Mode
Back up important data before proceeding, as system instability may cause data loss. -
Uninstall Recently Installed Drivers
-
Run Driver Verifier
Driver Verifier may cause a blue screen; note the driver name displayed on the error screen. -
Use System Restore
-
Update Drivers via Windows Update
-
Repair System Files
This process may take 15-30 minutes. Do not interrupt.
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When to Call a Professional
If the error persists after all steps, consider professional help. A technician can perform an in-depth driver analysis or repair the Windows installation. If you are not comfortable with advanced troubleshooting, seek assistance.Frequently Asked Questions
What does error 0xFFFFF807 mean?
It indicates a kernel access violation in a driver region, usually caused by a faulty or incompatible third-party driver. This can lead to system instability or blue screen errors.
Can I fix error 0xFFFFF807 without Safe Mode?
Yes, but it's harder. You can try using Driver Verifier in normal mode or updating drivers via Device Manager. Safe Mode is recommended for easier troubleshooting.
Will a clean Windows install fix this error?
Yes, a clean installation removes all drivers and system files, likely resolving the error. However, back up your data first, as it erases everything.
Is error 0xFFFFF807 dangerous?
It's not dangerous to hardware, but it can cause frequent crashes and data loss. Fix it promptly to avoid corruption.
How do I find the faulty driver?
Use Driver Verifier (step 3) to identify the driver causing the violation. The blue screen will display the driver name.