Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're running the Windows 11 Installation Assistant, it downloads happily up to 99%, then si...

You run git push and get: ! [rejected] main -> main (non-fast-forward) erro...

How to Remove an Existing Git Remote Origin
If you've cloned a repository or added a remote origin that you no longer need—or if you need...

Fix 'Permission Denied' When Using mkdir in VS Code Terminal
You're working in the VS Code integrated terminal and run a mkdir command only t...

Fix VS Code 'Cannot Save File: Permission Denied' on Mac
You're editing a file in VS Code on your Mac, hit save, and get: 'Failed to save:...

Fix Windows Search Indexing Error 0x80040c41
If you see error 0x80040c41 when searching in Windows, the indexing service is likely stuck due t...