
OneDrive Sync Proxy Error: Troubleshooting Checklist
If you see 'Proxy error' or 'Cannot sync' in OneDrive while connected through a corporate or home...
Software troubleshooting desk

If you see 'Proxy error' or 'Cannot sync' in OneDrive while connected through a corporate or home...

After a Windows 11 update, OneDrive may stop syncing files. This is usually due to changed settin...

You've edited nginx.conf, run nginx -t to test, and it fails or produces no output. ...

You update Windows, reboot, and instead of your desktop you see a login screen that keeps cycling...

You try to open a file in OneDrive and see a 404 Not Found message, or you get an Access Denied e...

If you notice that the Microsoft Store is consuming a large amount of memory (often over 500 MB o...