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Fix Windows Defender Crashing After Update Error 0x800704ec - Brave Sync Not Working? Try This Checklist-How to Fix Windows Update Not Syncing Between PCs

Updated 2026-06-13 14:29:44developer-tools
Fix Windows Defender Crashing After Update Error 0x800704ec - Brave Sync Not Working? Try This Checklist-How to Fix Windows Update Not Syncing Between PCs
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.