The only thing I can suggest is to reinstall the drivers for the printer in compatibility mode. If you have the drivers on disk or can download them from the HP site then I would uninstall all the HP drivers. Reboot and open the disk, not auto run, or find the .exe file from the download, right click it and select Troubleshoot compatibility. Once the troubleshooter has run then select Troubleshoot program. In the new window select "The program worked in earlier versions of Windows but won't install or run now". Select 'next'. Now it will offer you the choice of previous Windows that it ran ok on. Select that version of Windows and click next. Select 'test the program' and then install it. Test it and the new window will give further options asking if the problem is fixed. Unless you had to reboot. Worth a try but make sure you have all the drivers needed first in case you need to reinstall normally again and find a scanner.
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