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

Fix Windows 11 Bluetooth Not Connecting: Practical Steps

You try to connect a Bluetooth device—headphones, mouse, keyboard—but Windows 11 either doesn'...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fixing Nginx 502 Bad Gateway in Docker: Practical Steps

You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....

Fix Windows 11 Blue Screen After Memory Diagnostic

You ran Windows Memory Diagnostic after a blue screen, and now you're stuck in a loop or seei...

Fix Git SSL Certificate Problem on Corporate Networks

If you see git SSL certificate problem: unable to get local issuer certificate while...