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Fix PowerShell 504 Gateway Timeout Error - Windows Security Broken in Ubuntu Dual-Boot: Fix-Enable Windows Defender When Service Is Unavailable

2026-06-18 08:18:11
Fix PowerShell 504 Gateway Timeout Error - Windows Security Broken in Ubuntu Dual-Boot: Fix-Enable Windows Defender When Service Is Unavailable

Result check

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