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 &#...

Bluetooth Troubleshooting Checklist for Windows 11

Bluetooth on Windows 11 can be unreliable. If your device won't pair, keeps dropping, or does...

Fix VS Code Git Authentication Failed for GitLab

If you see "Git authentication failed" in VS Code when pushing or pulling from a GitLab r...

Fix Docker Container Exits Immediately in Background Mode

You run a Docker container with -d (detached mode) and it exits immediately. The con...

Fix Bluetooth Service Not Running in Windows 11

You open Bluetooth settings in Windows 11 and see the toggle is grayed out, or your Bluetooth dev...

Chrome Black Screen Fix When Hardware Acceleration Is On

If Chrome shows a black screen, flickers, or freezes after you enable hardware acceleration, you&...