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Fix 'Windows Update Port Already Allocated Permission Denied' - How to Fix Defender Threat History Loading Error-Fix Windows Defender Offline Scan Stuck or Not Starting

2026-06-13 14:58:53
Fix 'Windows Update Port Already Allocated Permission Denied' - How to Fix Defender Threat History Loading Error-Fix Windows Defender Offline Scan Stuck or Not Starting

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.