hpqthb08.exe - Startup app for HP Imaging when you have an All-in-one PSC.
see - http://www.bleepingcomputer.com/startups/hpqthb08.exe-10037.html
Open your Startup folder and Right-drag the (usually) two HP shortcuts onto
the desktop using Move Here. Reboot. These files are unnecessarily loaded
every time Windows starts. (Your PSC will run fine without them loading at
Reboot. OK? Then go to Add/Remove and see if the Image Zone entry, if
present, has a change/repair option. If not, uninstall/reinstall it, turning
off all other programs in the tray, first. If you don't have the disc, or
maybe even if you do, go to HP downloads and get the latest version (it's
free); remove all the printer software, then install the new version.Delete
the shortcuts you moved to the desktop.