Checklists for software errors, setup, and tool workflows.

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix VS Code Terminal Not Opening WSL

You open VS Code, switch to the integrated terminal, select WSL as your default shell, and nothin...

Fix Firefox Secure Connection Failed Not Loading

If Firefox shows a “Secure Connection Failed” error and won’t let you load a site, it usually mea...

Fix Python Memory Errors on Mac with Large Files

If you’re seeing a MemoryError in Python on your Mac while trying to load or process...

Fix 'Python Command Not Found' in Git Bash on Windows

When running Python in Git Bash on Windows, you may see bash: python: command not found