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Fix Microsoft Store 404 Error by Clearing Cache - Troubleshoot Windows Update Sync Errors-Resolve Windows Security Startup Error Access Denied

Updated 2026-06-13 18:57:05office-tools

Fix Microsoft Store 404 Error by Clearing Cache - Troubleshoot Windows Update Sync Errors-Resolve Windows Security Startup Error Access Denied

Likely symptom

Likely cause

Safe rollback

Verification route

Repeat the original action, not only a simplified test case.
Restart the app or reload the service after configuration changes.