
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 open Outlook in Microsoft 365 and see a '404 Not Found' page. This usually means Outlook can'...

If you've reset Windows Security settings and now see a 504 gateway timeout error when opening th...

If you're stuck in a OneDrive sync login loop—where you sign in, it seems to work, but then immed...

After a Windows update, you might see backup error 0x80070001. This often means "Incorrect functi...

You open Chrome on Windows 10 and notice some extensions aren't working—no icon, no functionality...