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Fix GPG Error in apt update on Ubuntu 22.04 - Windows Security Module Missing – How to Restore It-How to Clear Windows Defender Protection History Log

2026-06-13 13:44:18windows-fixes
Fix GPG Error in apt update on Ubuntu 22.04 - Windows Security Module Missing – How to Restore It-How to Clear Windows Defender Protection History Log

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.