Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you run npm install or npm start and see npm ERR! package.js...

Fix VS Code Terminal Not Opening Due to Settings
You click the terminal panel icon in VS Code, but nothing happens. The panel doesn't slide up...

Fix Python venv Not Activating in VS Code Terminal
When you create a Python virtual environment but it doesn't activate in the VS Code terminal,...

ERR_NAME_NOT_RESOLVED on Chrome for Mac: How to Fix
If you see ERR_NAME_NOT_RESOLVED in Chrome on your Mac, the browser can't transl...

Fix Ethernet Connected but No Internet on Windows 11
You plug in an Ethernet cable, Windows 11 shows you're connected, but websites won't load...

Fix 'npm install' Permission Denied When Using Yarn
You run yarn install in a project and later try npm install only to hit...