Knowledge base for software setup, errors, and daily tool work.

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...

Windows Security Invalid Configuration Checklist

You open Windows Security and see a message about an invalid configuration. This usually means a ...

How to Fix Chrome Connection Timeout Error

When Chrome displays a connection timeout error, it means the browser waited for a server respons...

Fix Windows Security Loading Forever Error

You open Windows Security and it just spins—loading forever. This is a known issue on Windows 10 ...

Fix Windows Search 502 Bad Gateway After Update

After a recent Windows Update, you might see a “502 Bad Gateway” error when using Windows Search....

Fix 'Module Not Found' in Python Virtual Environments