
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...
Software troubleshooting desk

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

If you have a scheduled task that requires network access—like syncing files, sending emails, or ...

You backed up your Windows activation using the built-in backup tool or a third-party utility. La...

If you're running PowerShell scripts against Azure and find that your authentication token expire...

You try to connect Outlook to your email server and see error 0x80048820. The full message often ...

If you upgraded to Windows 10 for free or bought a retail license, you can move that license to a...