How to Fix CRITICAL_PROCESS_DIED Blue Screen (Stop Code 0xEF)
By Jordan Kim
· About Zone Desire
Quick answer
CRITICAL_PROCESS_DIED (0x000000EF) is a blue screen that happens when a core Windows process stops unexpectedly. Update drivers, run SFC and DISM, check the disk, and uninstall any recent update or program that started the crashes.
What does “CRITICAL_PROCESS_DIED” mean?
A process Windows must have to run (such as csrss.exe or wininit.exe) closed, so Windows stopped to protect your data.
What causes it?
- Corrupted system files
- Faulty or outdated drivers
- Failing SSD or hard drive
- Bad recent update or software
Steps to try
Stop when the issue is resolved.
- Restart. If Windows will not start, hold Shift and click Restart, then choose Troubleshoot → Advanced options → Startup Settings → Safe Mode.
- Run sfc /scannow and DISM /Online /Cleanup-Image /RestoreHealth as administrator.
- Run chkdsk C: /f and restart to check the disk.
- Update display, storage and chipset drivers from your PC maker's website.
- Uninstall the last Windows update or program installed before the crash.
- Use System Restore to go back to a date when the PC worked.
Need more support? Check the official help: Microsoft Support
FAQs
Can CRITICAL_PROCESS_DIED damage my PC?
The crash itself does not damage hardware, but repeated crashes can point to a failing drive. Back up your files.
What if it keeps happening after all steps?
Test the RAM and drive, then consider Reset this PC with Keep my files.