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Fix Microsoft Store Invalid Configuration Sync Error - Windows 11 Windows Security Startup Troubleshooting-Fix npm Permission Denied and EACCES Cache Errors

Updated 2026-06-15 11:25:20browser-issues
Fix Microsoft Store Invalid Configuration Sync Error - Windows 11 Windows Security Startup Troubleshooting-Fix npm Permission Denied and EACCES Cache Errors
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.