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How to Fix Windows Update Stuck on Checking for Updates - Windows Defender Invalid Configuration Group Policy Fix-Fix Windows Update 502 Bad Gateway Due to Firewall Settings

2026-06-13 13:42:02windows-fixes
How to Fix Windows Update Stuck on Checking for Updates - Windows Defender Invalid Configuration Group Policy Fix-Fix Windows Update 502 Bad Gateway Due to Firewall Settings

Final checklist

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