Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you've ever opened File Explorer on a network drive, typed a filename into the search box, and...

You see error 0x80070643 when trying to install a Windows update, and the setup fails partway thr...

You try to open an archive with 7-Zip and get: "Cannot open file as archive" fol...

You may see a "Windows isn't activated" watermark or notification. This typically happens after a...

If Windows Search stops returning files, emails, or settings, the search index database may be co...

You try to run a PowerShell script and get an error like "Access is denied" or "Permission denied...