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Fix Windows Defender Service Not Starting (Connection Refused) - Resolve Port Already in Use Errors from Windows Defender-How to Fix Windows Update Cleanup Stuck Issue

2026-06-13 19:25:41
Fix Windows Defender Service Not Starting (Connection Refused) - Resolve Port Already in Use Errors from Windows Defender-How to Fix Windows Update Cleanup Stuck Issue

Result check

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

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