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

Docker Desktop Engine Troubleshooting Checklist

When Docker Desktop fails to start or the engine stops responding, the cause is often a misconfig...

Fix Nginx Upstream Connection Refused in Docker

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

How to Fix Nginx 'Upstream Connection Refused' Error

When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...

VS Code IntelliSense Not Working for C++: Practical Fixes

If you're editing C++ code in Visual Studio Code and IntelliSense stops working—no auto-compl...

Python Virtual Environment Not Activating in Git Bash: Fixes

You're in Git Bash on Windows, you run source venv/Scripts/activate, and nothing...

Fix Windows 11 Update Stuck at 0% – SoftwareDistribution Folder