The Windows stop code CRITICAL_PROCESS_DIED (0x000000EF) means: A process that Windows needs to run stopped unexpectedly. This code often points to hardware, disk or startup problems. Back up important files as soon as you can and follow the steps below; if it keeps returning, have the PC checked.
Is it serious? Can I keep using my PC?
This code often points to hardware, disk or startup problems. Back up important files as soon as you can and follow the steps below; if it keeps returning, have the PC checked.
Common causes
- Corrupted file system or Windows system files
- Faulty, outdated or incompatible driver
- Recent Windows or driver update
- Failing or corrupted disk or SSD
How to fix it
- Restart the PC. If the blue screen happened only once and does not return, no further action is usually needed
- Start Windows in Safe Mode (Advanced startup) and troubleshoot from there
- Run "sfc /scannow" and "DISM /Online /Cleanup-Image /RestoreHealth" as administrator
- Update or roll back the driver of the faulting device in Device Manager (look for yellow warning icons)
- Use System Restore or uninstall the latest Windows update from Advanced startup
- Check the disk with "chkdsk C: /f" and check the drive's health
Frequently asked questions
What does CRITICAL_PROCESS_DIED mean?
The Windows stop code CRITICAL_PROCESS_DIED (0x000000EF) means: A process that Windows needs to run stopped unexpectedly.
Is CRITICAL_PROCESS_DIED serious?
Severity: High. This code often points to hardware, disk or startup problems. Back up important files as soon as you can and follow the steps below; if it keeps returning, have the PC checked.
How do I fix CRITICAL_PROCESS_DIED?
Start with these steps: Restart the PC. If the blue screen happened only once and does not return, no further action is usually needed; Start Windows in Safe Mode (Advanced startup) and troubleshoot from there; Run "sfc /scannow" and "DISM /Online /Cleanup-Image /RestoreHealth" as administrator; Update or roll back the driver of the faulting device in Device Manager (look for yellow warning icons); Use System Restore or uninstall the latest Windows update from Advanced startup.