If the HP Smart App is not opening, working, or detecting the printer, use the Diagnose and Fix button and see. More suggestions in this post.

If Wi-Fi HP Printer setup using USB is failing with HP Smart app on Windows 11/10, then here are the working fixes that are sure to help you.

A strange issue causes the HP Smart app to install on some Windows PCs automatically. The app has appeared on systems without any connection to HP devices.