Checklists for software errors, setup, and tool workflows.

How to Fix a Detached HEAD in Git Using SourceTree

If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...

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 Update Service Not Running for System Restore

You might see “System Restore did not complete successfully” or “Windows Update service is not ru...

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 network not found' After Prune

If you run docker network prune and later see errors like network not found