Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're setting up a Windows machine that has no internet connection—perhaps a secure lab, an a...

You open a folder, type a filename into the search box, and Windows returns nothing—even though y...

You're trying to activate Windows, but the activation screen just keeps spinning or says "Loading...

When you see the message 'Windows activation auto start configuration failed', it usually means t...

You try to install a Windows update but get a version mismatch error. The update fails, and you'r...

You see error 0x80072f0d when checking for Windows updates. The system cannot verify the update s...