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Fix Windows Defender Stuck on 'Loading Group Policy Configuration' - Fix Windows Update Stuck on Checking for Updates-Avoid Windows Activation Version Mismatch on Reinstall

Updated 2026-06-13 18:32:20developer-tools
Fix Windows Defender Stuck on 'Loading Group Policy Configuration' - Fix Windows Update Stuck on Checking for Updates-Avoid Windows Activation Version Mismatch on Reinstall
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.