Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You click download in the Microsoft Store, but the progress bar barely moves or stays at 0%. This...

If you notice that Windows Security (formerly Windows Defender) isn't starting automatically with...

You try to open a file with 7-Zip and get the error: “Cannot open the file as archive”. ...

If you click the Command Prompt shortcut and nothing happens, or it flashes and closes, you're no...

You open Windows Security and see a warning about a DNS error, or Windows Defender cannot update ...

If you see a "502 Bad Gateway" error in Chrome, especially after switching profiles or updating t...