
Fix Windows Defender Connection Refused or Permission Denied Errors
If you see "connection refused" or "permission denied" when trying to start or update Windows Def...

If you see "connection refused" or "permission denied" when trying to start or update Windows Def...

After a OneDrive update, you might see files stuck syncing, error messages, or the app not starti...

When BitLocker Network Unlock fails, you might see a proxy error code in the event logs or during...

You sign into OneDrive, it seems to work for a moment, then immediately prompts you to sign in ag...

When you try to join a Microsoft Teams meeting and see a 502 Bad Gateway error, ...

If you recently upgraded your PC's motherboard, CPU, or hard drive and now see “Windows is not ac...