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Fix Windows Defender Stuck Loading Error 0x80070422 - Fix Windows Security Authentication Error 0x80070035-Windows Update Stuck at Checking for Updates: How to Fix

2026-06-13 15:25:02developer-tools
Fix Windows Defender Stuck Loading Error 0x80070422 - Fix Windows Security Authentication Error 0x80070035-Windows Update Stuck at Checking for Updates: How to Fix

Final checklist

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

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