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

How to Fix VS Code Terminal Not Opening

If you click the terminal panel in VS Code and nothing appears, or it opens but stays blank, the ...

Windows Security App Not Opening on Windows 10: Fixes That Work

When you click the Windows Security icon in the Start menu or taskbar and nothing happens, it’s u...

Fix Docker Network Not Found Error: Step-by-Step

When Docker reports 'network not found', it usually means the container tried to connect ...

Fix Nginx 502 Bad Gateway with Docker Environment Variables

If you see a 502 Bad Gateway from nginx running in Docker, it usually means ngin...

Git Detached HEAD: Practical Checklist and Fixes

You see a message like 'You are in 'detached HEAD' state' when checking out a com...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...