Checklists for software errors, setup, and tool workflows.

Fix Git 'index.lock' Error in VS Code

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

Docker Desktop Engine Stopped After Update: Fixes

After a Docker Desktop update, you may see the engine fail to start. The UI shows a red status ba...

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

Symptom

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

Fix Firefox Secure Connection Failed on Mac

If you see "Secure Connection Failed" in Firefox on your Mac, the browser is blocking the...

Bluetooth Hardware Not Found on Windows 11: Fixes

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

Fix Windows Update Error 0x80070005 System Volume Information

When you see Windows Update error 0x80070005 with a reference to System Volume Information, it us...