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

Windows 11 Update Stuck at 0%: How to Fix with Troubleshooter

You click Check for updates, it sits at 0% for ages, and the progress bar doesn't budge. This...

Fix 'Permission Denied' Error When Saving VS Code settings.json

You open VS Code's settings.json (either user or workspace), make a change, and try to save. ...

Fix VSCode Git Auth Failed: Expired Token

You're working in Visual Studio Code, try to push or pull, and see an error like "Git: Au...

Fix Virtual Environment Not Activating in Terminal

Why Your Virtual Environment Won't Activate

You open a terminal, navigate to your pro...

Fixing Nginx Upstream Connection Refused and Permission Denied

If you see connect() failed (111: Connection refused) or connect() failed (13:...