Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're using a multi-root workspace in VS Code and finding that breakpoints in some folder...

If your Windows 10 taskbar icons appear blank, wrong, or missing, the icon cache may be corrupted...

You set up a .env file for your Docker Compose project, but variables aren't bei...

When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....

Fix Git index.lock File Exists Permission Denied Error
You're in the middle of a Git operation and suddenly you see:
fatal: Unable to ...

Fix Edge Sync Stuck on Sign-In Loop
You open Microsoft Edge, try to sign in to sync your data, and it keeps looping back to the sign-...