Checklists for software errors, setup, and tool workflows.

Fix VS Code Terminal Not Opening on Mac

You open VS Code, press Ctrl+` or click the Terminal panel, and nothing happens. The...

Fix pnpm ERR_PNPM_NO_OFFLINE_META: Step-by-Step Guide

You run pnpm install and see ERR_PNPM_NO_OFFLINE_META. This usually hap...

Fix Git 'index.lock' Error in VS Code

If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

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

Symptom

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

Fix npm run build Failed on Windows: Common Causes and Solutions

When you run npm run build on Windows and it fails, the error message can be cryptic...

How to Fix VS Code IntelliSense Not Working

If you're seeing no suggestions, missing completions, or a spinning 'Loading...' in V...