Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're trying to install a Windows 11 update, but it's stuck at 0% for a long time. One f...

You're installing a package with pip, and suddenly you see a wall of red text: ERROR: C...

Fix 'Python Command Not Found' in Anaconda on Windows
If you installed Anaconda on Windows but typing python in Command Prompt returns

How to Fix Edge Sync Not Working on Windows 11
If your Microsoft Edge browser has stopped syncing bookmarks, passwords, or settings across devic...

How to Fix Git Index Lock File Exists Error
If you see an error like fatal: Unable to create 'path/to/repo/.git/index.lock': Fi...

How to Fix VS Code Terminal Not Opening
If you click the terminal panel in VS Code and nothing appears, or it opens but stays blank, the ...