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Windows Defender Path Not Found: Troubleshooting Steps - OneDrive Sign-In Error 0x8004de40: Step-by-Step Fix-Fix Outlook Not Opening on Startup After Update

2026-06-14 07:10:05developer-tools
Windows Defender Path Not Found: Troubleshooting Steps - OneDrive Sign-In Error 0x8004de40: Step-by-Step Fix-Fix Outlook Not Opening on Startup After Update

Final checklist

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