How to fix Windows update error caused by corrupted files?
Could damaged system files be the reason, and how do I repair them?
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To fix Windows Update errors caused by corrupted files:
Open Command Prompt (Admin) and run:
sfc /scannow
DISM /Online /Cleanup-Image /RestoreHealth
Restart your PC.
Retry Windows Update.
This repairs corrupted system files and usually resolves update errors.