Fix Remote Desktop Access Denied via Group Policy - OneDrive Sync Token Refresh Guide-Fix OneDrive Sync Error 0x8004de40: Service Unavailable
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.
Related Software Guides
Fix PowerShell Execution Policy Restricted to RemoteSigned
How to Reset OneDrive Sync on Mac
Fix Chrome DNS Error Caused by a Corrupted User Profile
How to Enable PowerShell Script Execution on Windows 10
Fix Chrome Profile Authentication Failed Error via Registry
Fix Windows Defender Stuck on Loading Black Screen