A critical process required by Windows terminated, causing the system to stop.
It suddenly reboots immediately after booting or after a system update.
Make sure it boots in safe mode and note the name of the security program you recently installed.
If it is checked and resolved from above, you do not need to proceed to the next step.
It suddenly reboots immediately after booting or after a system update.
Difficulty Easy · Estimated time 5 minutes
Check points: Record the error code, when it occurred, and any recent changes.
A critical process required by Windows terminated, causing the system to stop.
Difficulty Moderate · Estimated time 10~30 minutes
Check points: Make sure it goes to the desktop on the next boot. If a storage device error occurs, back up your files first.
Among Windows problems, “blue screen” symptoms may be related to driver or hardware errors, or memory/storage problems. Record the stop code and when it occurred, then narrow down the cause by recent changes, RAM/storage, and system files.
Among boot problems, the “powers on but does not boot” symptom may be related to boot file corruption or storage device issues. Distinguish between the POST stage and the Windows startup stage, then check in that order: external device, boot settings, and recovery environment.
Content review date: 2026-10-07