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Windows Update Migration Troubleshooting Checklist - Fix Windows Update Version Mismatch Errors-Windows Defender 0x80070422: Causes and Fixes

2026-06-13 14:26:49developer-tools
Windows Update Migration Troubleshooting Checklist - Fix Windows Update Version Mismatch Errors-Windows Defender 0x80070422: Causes and Fixes

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

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