Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you run npm start or yarn start in a React project and get errors ...

If PowerShell takes noticeably longer to start than usual—sometimes 10 seconds or more—the proble...

You open OneDrive sync settings to pause syncing or select folders, but everything is greyed out ...

After a Windows update, you might type in the Start menu or taskbar search and see no results—or ...

If you notice that cmd.exe is using a lot of memory—sometimes hundreds of megabytes—it's usually ...

You open Chrome expecting your bookmarks, passwords, and settings to be synced across devices, bu...