Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

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

You’ve downloaded a Windows update but the installer says a file is locked. This often happens wh...

If your Windows Update has been stuck on 'Checking for updates' for more than 15 minutes, you're ...

If Outlook starts misbehaving after a crash, update, or add-in install, you might see errors, mis...

If PowerShell hangs or shows a blank window when you click its taskbar icon, you're not alone. Th...

If you see 'Windows Update path not found' in Event Viewer or when running wuauclt /detectn...