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

Docker Container Exits Immediately: Fix with Restart Policy

You start a Docker container, it runs for a second, then stops. No error messages, just a quick e...

Windows Update Service Troubleshooting Checklist

When Windows Update stops working, the update service itself is often the culprit. You may see er...

Fix Windows 11 Installation Assistant Stuck at 99%

You're running the Windows 11 Installation Assistant, it reaches 99%, and then nothing happen...

Fix 'Git Remote Origin Already Exists' When Updating Remote URL

Fix Windows Update Error 0x800f081f Installation Failed

When you see Windows Update error 0x800f081f with “installation failed,” it usua...

Fix npm run build Failure from Missing Env Variables

You run npm run build and get an error like Error: Missing required environmen...