Checklists for software errors, setup, and tool workflows.

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Latest checklists

You run npm install and see errors like Unsupported engine or req...

Python Command Not Found in CMD but Works in Anaconda
You open Command Prompt, type python, and get 'python' is not recogniz...

Fix NET::ERR_CERT_AUTHORITY_INVALID on Windows 10
You're browsing in Chrome or Edge and see NET::ERR_CERT_AUTHORITY_INVALID. T...

Fix 'Permission Denied' in VS Code Terminal on Mac
You're working in VS Code on a Mac, and when you try to run a command in the integrated termi...

VS Code Git Changes Not Detected After Save: Fixes
You save a file in VS Code, but the Source Control panel shows no changes. The file doesn't a...

How to Fix Git 'index.lock' File Exists Error
When you see fatal: Unable to create 'path/.git/index.lock': File exists., G...