Required information in the Windows component store is corrupted or missing.
Cumulative update installation fails repeatedly.
Check the update waiting for reboot and failed KB.
If it is checked and resolved from above, you do not need to proceed to the next step.
Cumulative update installation fails repeatedly.
Difficulty Easy · Estimated time 5 minutes
Check points: Record the error code, when it occurred, and any recent changes.
Required information in the Windows component store is corrupted or missing.
Difficulty Moderate · Estimated time 10~30 minutes
Check points: Confirm both DISM recovery is successful and KB installation is complete.
If “computer slows down” repeatedly, it is better to narrow it down to excessive background processes and insufficient storage space rather than changing several settings at once. First look for CPU, memory, and disk bottlenecks in Task Manager and check startup programs, storage space, and temperature.
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