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 &#...

Chrome Startup Crash on Windows 11: Fixes That Work

You click the Chrome icon on your Windows 11 PC, the window flickers, and then nothing—or you get...

Fix Windows Defender Real-Time Protection Stuck on Turning Off

You open Windows Security, go to Virus & threat protection, and see Real-time protection stuc...

Fix Git 'index.lock file exists' Error

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

Fix 'pip externally managed environment' on Ubuntu 23.04

If you're on Ubuntu 23.04 (Lunar Lobster) and try to install a Python package with pip, you m...