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Fix 7-Zip 'Unsupported Archive Format' Error - Resolve Windows Defender Configuration Issue After Update-Windows Update Connection Timeout: Registry Solution

2026-06-13 13:20:35developer-tools
Fix 7-Zip 'Unsupported Archive Format' Error - Resolve Windows Defender Configuration Issue After Update-Windows Update Connection Timeout: Registry Solution

Final checklist

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