Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You click 'Check for updates' and see the progress bar stuck at 0% or a percentage that doesn't m...

If you're seeing error codes like 0x80072EE2 or 0x80072F8F when trying to activate Windows, a mis...

You see an error that says something like "Windows Update module not found" or "Configuration fai...

When you launch a Jupyter notebook and the kernel never starts—or shows a 'Kernel error' or 'Conn...

You search for something using the Start menu or taskbar, and instead of results, you get a promp...

If you open Windows Defender (now called Windows Security) and see only a blank white or black sc...