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

Fix Ethernet Connected but No Internet on Windows 11

You plug in an Ethernet cable, Windows 11 shows you're connected, but websites won't load...

Fix Chrome Crashing on Startup in Windows 10

If Chrome crashes immediately or shortly after launching on Windows 10, the cause is often a corr...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

How to Fix Git Detached HEAD State and Undo Changes

You run git status and see something like "HEAD detached at abc123". This ha...

Checklist for Nginx Configuration Test Failure

When you run nginx -t and get a failure, the server won't reload or restart. Thi...

Fix Git Authentication Failed in VS Code on Linux

You're working in VS Code on Linux, try to push or pull, and get a popup: "Git authentica...