
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 installed a new antivirus program, and now Windows Update won't run. The service might be dis...

You're locked out of a BitLocker-encrypted drive and see an "access denied" message when trying t...

If your Windows 10 PC is running slow and Task Manager shows Windows Security (or Antimalware Ser...

If you've enabled BitLocker on an SSD and noticed slower boot times or decreased drive performanc...

If the Microsoft Store won't open, shows blank pages, or gives download errors, the built-in