
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're trying to access a site served by Nginx, and instead of the page you get a 403 For...

If Windows Defender is acting up—slow scans, high CPU usage, or outdated definitions—you may need...

You open Windows Security and see the message 'Windows Defender service unavailable' or 'Windows ...

You try to visit a website in Chrome and see an error: "SSL protocol error" with "invalid server ...

You've set up a self-hosted GitHub Actions runner, but it never appears online or shows a "runner...