
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 Task Manager and see Windows Defender (Microsoft Defender Antivirus) using 500 MB or mor...

You're working in Chrome and suddenly get a 400 error: token expired. This usual...

You open Chrome hoping to pick up your bookmarks and passwords from another device, but instead s...

When you try to modify certain registry keys related to Windows Defender, you may see an 'Access ...

If you notice your CPU pegged at 100% while trying to activate Windows, slui.exe (Software Licens...