Checklists for software errors, setup, and tool workflows.

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Fix VSCode Breakpoints Not Hitting in TypeScript

You set a breakpoint in a TypeScript file, run the debugger, and execution never pauses. This is ...

Fix VS Code Git Authentication Failed Keychain Error

If you see "Git authentication failed" in VS Code on macOS, the problem is often the macO...

Fix Windows 11 No Internet but Wi-Fi Connected DNS Issue

You see the Wi-Fi icon connected with full bars, but apps, browsers, and system updates all repor...

How to Fix VS Code IntelliSense Not Working

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

Fix Nginx Permission Denied Error for www-data User

If you see errors like nginx: [emerg] open() "/var/www/html/index.html" failed (13:...

How to Fix Chrome Extensions Not Loading or Grayed Out
You open Chrome, click the puzzle icon, and see your extensions grayed out or missing. They don&#...