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 &#...

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...

Windows 11 Update Stuck at 0%: Permission Denied Fix

If your Windows 11 update is stuck at 0% with a "permission denied" message, the installe...

How to Fix Git Detached HEAD and Checkout a Branch

You're working in a Git repository, make some commits, and then realize you're in a '...

VSCode IntelliSense Not Working for React: Fixes

You open a React component in VSCode, start typing a prop or a hook, and get no suggestions. Inte...

Chrome Startup Crash with No Error Message: Fixes That Work

Chrome crashes on startup with no error message—just a sudden close or a frozen window. This ofte...