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

Fix 'Windows Security Application Not Found' on Ubuntu

When running Windows applications through Wine or PlayOnLinux on Ubuntu, you might see an error l...

Docker Compose Env File Not Found: Troubleshooting Checklist

Fix Remote Desktop Credentials After Password Change

You changed your Windows password, but now Remote Desktop (RDP) won't let you connect. The creden...

npm Command Not Found: Troubleshooting Checklist

You type npm install and get npm: command not found. This typically mea...

Fix Windows Defender Service Not Starting (Error 0x80070422)

You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...

GitLab Runner Not Running Jobs: Troubleshooting Checklist

If your GitLab Runner shows as registered but never runs any jobs, or jobs stay stuck in 'pending...