Microsoft Windows Error Code 0xC000001A: How to Fix It
Medium 30-60 minutes Medium Severity
Verified June 2026
- Error Code
- 0xC000001A
- Brand
- Microsoft Windows
- Product Type
- operating_system
- Severity
- Medium
- DIY Difficulty
- Medium
- Estimated Fix Time
- 30-60 minutes
Ad
Tools You'll Need
- Administrator access to Windows
How to Fix Error Code 0xC000001A
-
Restart Your Computer
-
Run Windows Memory Diagnostic
Your computer will restart automatically. Save all work before proceeding. -
Update Device Drivers
-
Run System File Checker (SFC) and DISM
Do not close the Command Prompt window during the scan. -
Adjust Virtual Memory Settings
Ensure you have enough free disk space for the paging file. -
Perform a Clean Boot
After troubleshooting, re-enable Microsoft services to avoid system instability. -
Check for Malware
Ad
When to Call a Professional
If the error persists after all steps, there may be failing hardware (RAM or motherboard). Contact a PC technician for hardware diagnostics and replacement.Frequently Asked Questions
What causes Windows error 0xC000001A?
The error is caused by a failure to free virtual memory, often due to driver conflicts, memory leaks, corrupted system files, or faulty RAM.
Can I fix error 0xC000001A without reinstalling Windows?
Yes, most cases can be resolved with steps like updating drivers, running SFC/DISM, or adjusting virtual memory settings. Reinstallation is a last resort.
Does error 0xC000001A mean my RAM is bad?
Not necessarily, but faulty RAM can cause this error. Run Windows Memory Diagnostic to check for hardware issues.
Will a system restore fix error 0xC000001A?
If the error started recently, performing a system restore to a point before the issue began may help.
Is error 0xC000001A dangerous?
It can cause system crashes or freezes, but it's not a security threat. It indicates a system instability that should be resolved promptly.