HP Scan Destination – HPQDSTCP.EXE
Files called hpqdstcp.exe and hpqkygrp.exe will be found in your c:\Program Files\HP\Digital Imaging\bin\ folder. These files install with the drivers for your HP Scanner or All-in-One Printer/Scanner/Copier. The HP Keygrip will query the scanner to see if it's ready to scan. The hpqdstcp.exe file will set the scan destination. If these files aren't causing you problems, we'd recommend leaving them in place. While you do need them when scanning, they shouldn't need to be running all the time.
You'll find the latest drivers and software downloads at http://welcome.hp.com/country/us/en/support.html?pageDisplay=drivers.
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Hewlett Packard