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 &#...

Resolving Python Dependency Conflicts in Docker Containers

You build a Docker image, run the container, and Python crashes with an ImportError or a version ...

Fix Nginx Configuration Test Failure in Docker

When you run nginx -t inside a Docker container and get an error, the container usua...

Fix Windows Explorer Restarting After Login

If Windows Explorer keeps restarting after you log in, you’ll see the desktop flash, icons disapp...

Fix Windows 11 Installation Assistant Stuck at 99% SFC Scan

You're upgrading to Windows 11 using the Installation Assistant, and it hangs at 99% while ru...