Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You've created a Python virtual environment but can't get VS Code to use it. The terminal...

You try to install or run a package and get an error like package requires a different Node...

Fix 'python' Command Not Found in Windows PowerShell
When you type python in Windows PowerShell and see python : The term 'pyth...

How to Reset Windows Search Index (Step by Step)
If Windows Search stops finding your files, returns old results, or uses high CPU, the search ind...

Git Detached HEAD Warning Explained: Causes and Fixes
You see a warning: "You are in 'detached HEAD' state." This happens when you chec...

Fix Python Permission Denied When Installing Packages on Mac
If you see a 'permission denied' error when running pip install somepackage ...