Fix OneDrive Sync Permission Denied on Windows 11 - Troubleshoot Command Prompt Startup Problems-Troubleshoot Windows Security Connection Refused Error

Updated 2026-06-19 06:48:17backup-recovery
Fix OneDrive Sync Permission Denied on Windows 11 - Troubleshoot Command Prompt Startup Problems-Troubleshoot Windows Security Connection Refused Error
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.