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

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

You may see an error like "Windows Security requires your permission" or "Access denied" when try...

When you try to run Windows Update and see an error like 'The Windows Update service is not runni...

OneDrive sync can get stuck for various reasons, leaving files with a spinning blue circle or a s...

You open Windows Security and see "Connection refused" or "Something went wrong. Try reopening Wi...

When Windows Defender fails to update its virus definitions, you may see error codes like 0x80240...