An exception occurred while processing the transition from user mode to kernel service.
Interruptions occur during game launch, video playback, or security program operation.
First check the .sys file name displayed on the blue screen.
If it is checked and resolved from above, you do not need to proceed to the next step.
Interruptions occur during game launch, video playback, or security program operation.
Difficulty Easy · Estimated time 5 minutes
Check points: Record the error code, when it occurred, and any recent changes.
An exception occurred while processing the transition from user mode to kernel service.
Difficulty Moderate · Estimated time 10~30 minutes
Check points: Rerun the program that caused the exception and see if the same file name appears.
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