Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

After installing the latest Windows update, you might see an activation warning or error message ...

OneDrive stops syncing, files show errors, or the app won't open. This checklist walks through co...

You try to sync files with OneDrive, but the sync stops and you see an error like "Sync failed – ...

You try to activate Windows, but get an 'access denied' error. This usually means the activation ...

When Outlook refuses to open and displays the error 'Cannot open the Outlook window. The set of f...

You're trying to install or update Visual Studio, but the installer fails with error code 0x80070...