
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 see an SSL certificate error in Postman when trying to send a request to an HTTPS endpoint. T...

You're trying to browse but Chrome shows 'ERR_PROXY_CONNECTION_FAILED' or 'Unable to connect to t...

After a Chrome update, some users see a '404 Not Found' error on pages that worked before. This u...

You see "Windows Security" followed by "Access is denied" or "Permission denied" when trying to o...

You run Windows Update and get error 0x80070002 with a message about a version mismatch. This usu...