OneDrive Sync Failed to Start: How to Reinstall and Recon - Fix Chrome Error 0x887a0005 on Windows-Outlook SMTP Authentication Failure Troubleshooting

Updated 2026-06-14 22:21:03cloud-software
OneDrive Sync Failed to Start: How to Reinstall and Recon - Fix Chrome Error 0x887a0005 on Windows-Outlook SMTP Authentication Failure Troubleshooting
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.