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Fix Windows Defender Service Error 577: Step-by-Step - How to Fix VS Code Terminal 'Permission Denied' in PowerShell-Resolve Port Already Allocated for Windows Update

2026-06-13 14:17:18
Fix Windows Defender Service Error 577: Step-by-Step - How to Fix VS Code Terminal 'Permission Denied' in PowerShell-Resolve Port Already Allocated for Windows Update

Result check

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