zhizhu
Home / windows-fixes / Fix Windows Defender Stuck Loading Error 0x80070422 - How to Fix 504 Gateway Timeout in Windows Security-Fix Windows Security Migration Hangs and Slowdowns

Fix Windows Defender Stuck Loading Error 0x80070422 - How to Fix 504 Gateway Timeout in Windows Security-Fix Windows Security Migration Hangs and Slowdowns

2026-06-13 14:36:26windows-fixes
Fix Windows Defender Stuck Loading Error 0x80070422 - How to Fix 504 Gateway Timeout in Windows Security-Fix Windows Security Migration Hangs and Slowdowns

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.

More checklist guides

Fix Windows Security Not Launching at StartupHow to Fix Windows Defender Permission Denied Scanning ErrorsFix VirtualBox Kernel Driver Not Installed Error 0x80004005Fix 'Windows License Expired' Error on Activated SystemsHow to Fix 'Windows Defender Module Not Found' ErrorFix Windows Update Permission Denied Error in Windows 10 (Registry)