Checklists for software errors, setup, and tool workflows.

Fix Windows Security App Not Starting on Windows 11

You click the Windows Security icon or try to open it from Settings, but nothing happens. The app...

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

Symptom

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

Fix Nginx Configuration Test Failure After Adding Proxy Pass

You add a proxy_pass directive to an Nginx server block, run nginx -t, ...

Bluetooth Icon Missing in Windows 11: How to Restore It

You open the system tray on Windows 11 and the Bluetooth icon is gone. Even if Bluetooth is turne...

Fix VS Code Source Control Not Detecting Changes After Branch Switch

After switching branches in Git, VS Code's Source Control view sometimes stops showing change...

Cloudflare 522 Error: Analyzing Server Logs for a Fix

You're seeing a 522 error from Cloudflare. That means Cloudflare connected to your origin ser...