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

How to Recover from Detached HEAD in Git

You're working in a Git repository and suddenly see a message like 'You are in 'detac...

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

Symptom

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

Docker Compose Ports Not Working: Common Fixes

You've defined ports in your docker-compose.yml, but containers aren't reachable on the e...

Fix Windows Security App Not Opening Command Prompt

You click the Windows Security icon or try to launch it from Settings, but nothing happens. Or pe...

How to Fix Python Memory Error When Processing Large Files

If you're seeing a MemoryError in Python while trying to process a large file, t...

Fix Windows 11 Installation Assistant Stuck at 99% in Safe Mode

If you're running the Windows 11 Installation Assistant in Safe Mode and it gets stuck at 99%...