Fix OneDrive Error 0x8004deb4: Sync Failed to Start - Fix 'Permission Denied' in VS Code Terminal on Ubuntu WSL-Troubleshooting Windows Activation on Mac: Step-by-Step Checklist

Updated 2026-06-14 13:07:13macos-help
Fix OneDrive Error 0x8004deb4: Sync Failed to Start - Fix 'Permission Denied' in VS Code Terminal on Ubuntu WSL-Troubleshooting Windows Activation on Mac: Step-by-Step Checklist
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.