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Fix PowerShell Cannot Connect to Localhost Due to Firewall - Troubleshooting Windows Defender Service Failure-Windows 11 Multi-User Remote Desktop Setup

2026-06-14 04:06:36
Fix PowerShell Cannot Connect to Localhost Due to Firewall - Troubleshooting Windows Defender Service Failure-Windows 11 Multi-User Remote Desktop Setup

Result check

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