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Fix PowerShell WinRM Connection Refused Error - Fix 504 Gateway Timeout with Windows Security Firewall-Resolve Ubuntu Lock File Permission Denied Error

2026-06-13 23:30:38
Fix PowerShell WinRM Connection Refused Error - Fix 504 Gateway Timeout with Windows Security Firewall-Resolve Ubuntu Lock File Permission Denied Error

Result check

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