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Fix GitHub Actions Cache Action Permission Denied Error - Windows Defender Failed to Start: Manual Malware Check Guide-BitLocker Sync Timeout Fixes

Updated 2026-06-14 05:01:46macos-help
Fix GitHub Actions Cache Action Permission Denied Error - Windows Defender Failed to Start: Manual Malware Check Guide-BitLocker Sync Timeout Fixes
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.