
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...

You open Settings > Update & Security, and everything under Windows Update is greyed out. Buttons...

You click 'Check for updates' and see 'Access Denied' or 'Error 0x80070005'. This usually means W...

You tap a link in Chrome on your Android phone and get a blank page with '404 Not Found.' It's fr...

If you notice the Windows Security shield icon is missing from your system tray, you're not alone...

After a Windows 10 update, some users encounter a login loop where the system repeatedly prompts ...