Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You try to open a file in OneDrive and see a 404 Not Found message, or you get an Access Denied e...

Windows Search not returning results or indexing slowly? The built-in Search and Indexing trouble...

If Windows Search keeps crashing on your PC, you may see error messages, the search box becomes u...

After restoring your Windows PC from a backup or system image, you might notice that Microsoft St...

If Windows activation fails with an error about a blocked firewall, your PC likely can't reach Mi...

If your Mac is not syncing with Windows Security settings, you might see errors when accessing sh...