Checklists for software errors, setup, and tool workflows.

Fix WiFi No Internet on Windows 11 Using Command Prompt

You're connected to WiFi but can't browse the web. The icon shows internet access but pag...

Bluetooth Hardware Not Found on Windows 11: Fixes

You open Bluetooth settings in Windows 11 and see 'Bluetooth hardware not found' – no swi...

Fix npm run build Failed After Git Pull

You pulled the latest code from Git, ran npm run build, and got errors. This is a co...

Fix 'Permission Denied' When Using mkdir in VS Code Terminal

You're working in the VS Code integrated terminal and run a mkdir command only t...

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome

When Chrome shows 'NET::ERR_CERT_AUTHORITY_INVALID', it means the browser cannot verify t...

Fix npm ERR! enoent ENOENT: package.json Not Found in node_modules

You run npm install or npm start and get something like:

...