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Fix Windows Update High CPU Usage with Permission Denied Errors - Windows Defender Auth Failed – Group Policy Fix-Fix Windows Activation Login Loop That Keeps Restarting

Updated 2026-06-13 16:10:49browser-issues
Fix Windows Update High CPU Usage with Permission Denied Errors - Windows Defender Auth Failed – Group Policy Fix-Fix Windows Activation Login Loop That Keeps Restarting
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.