Checklists for software errors, setup, and tool workflows.

Nginx 502 Bad Gateway: Troubleshooting Checklist

If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...

Fix Windows Security Service Not Starting Error

You click the Windows Security icon, but it doesn't open. Or you see an error saying the service ...

Fix Windows Terminal High CPU Usage: Configuration Tips

If Windows Terminal is using an unexpectedly high amount of CPU, it's often due to misconfigured ...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Fix Windows Defender Real-Time Protection Turned Off & Connection Refused

You open Windows Security and see real-time protection is off. Trying to turn it on fails with a ...

Fix Windows Update Connection Refused Due to Proxy Settings

When Windows Update reports a 'connection refused' error, it's often due to a misconfigured proxy...