Click on Troubleshoot to see advanced options. In order to reboot your system in safe mode, try booting several times until you see three options. You can also fix Critical Process Died in Windows 10 by booting the system in the Safe Mode. You can run sfc /scannow command in the command prompt. Fix Critical Process Died in Windows 10, Window 8ġ- First, you need to scan the system. In this article we will talk about several ways to fix Critical Problems Died error. This error in Windows 10 occurs after a critical system file or process dies amid disk problems, systems issues or failures. Several Windows 10 and Windows 8 users have reported going through the Critical Process Died Stop Error 0x000000EF.