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 &#...

Fix Docker Permission Denied Errors on Ubuntu

You start a Docker container with a mounted volume, and get a permission denied error when the co...

Fix Windows 11 Blue Screen After Update with Recovery Environment

If you're seeing a blue screen after a Windows 11 update and can't boot normally, the Win...

Fix VSCode Git Authentication Failed on Windows

If you see "Authentication failed" when pushing or pulling in Visual Studio Code on Windo...

How to Give VS Code Permission to Save Files

If VS Code shows a permission error when you try to save a file, the problem is usually that the ...