Error 0x000000EF (CRITICAL_PROCESS_DIED) on Windows — how to fix it?

Error 0x000000EF (CRITICAL_PROCESS_DIED) on the blue screen of death signals the termination of a critical system process. In this guide, we will examine the main causes of this error and offer methods to fix it, helping you restore stable system operation.

Error 0x000000EF (CRITICAL_PROCESS_DIED) occurs when a critical system process unexpectedly terminates. This can be related to corrupted system files, driver issues, malware, hardware failures, or recent updates.

To resolve:

  • Run a system file check using sfc /scannow and restore the system image via DISM /Online /Cleanup-Image /RestoreHealth.
  • Update drivers and perform a virus scan.
  • Check the hard drive with the command CHKDSK /f /r and the RAM.
  • If the error appeared after updates, try rolling back the system to a previous state.
  • If the problem persists, consider reinstalling Windows or conducting detailed diagnostics with a debugger.
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