Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're running chmod in the VS Code integrated terminal and seeing 'permissi...

When you try to push a commit to a remote repository and get an error like error: GH001: La...

Recover Lost Changes After Git Detached HEAD
You've made several edits, then checked out an old commit or tag, and now Git says you're...

Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking
You try to load a website and see DNS_PROBE_FINISHED_NXDOMAIN in Chrome, or simi...

Fix DNS Probe Finished NXDOMAIN Error on Mac
You're browsing on your Mac and suddenly a site won't load, showing the error DNS...

How to Fix Edge Sync Stuck on Preparing Sync
You open Microsoft Edge, click your profile, and see 'Preparing sync' — but it never fini...