
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...

You update a Chrome extension, and suddenly it stops working—showing a "permission denied" error ...

You try to open Outlook and see an "Access Denied" message. This usually means Outlook can't read...

If you notice that PowerShell is consuming a large amount of memory (say, over 500 MB or more), i...

You type a command in Command Prompt and get "connection refused" or "No connection could be made...

You click the Microsoft Store icon, but instead of the app opening, you see a spinning circle or ...