HiRezGamesDiagAndSupport is a software product for Windows developed by Hewlett-Packard Company
It is reported that the following Windows processes are part of HiRezGamesDiagAndSupport:
If you want to remove HiRezGamesDiagAndSupport from your computer, just go to Start > Control Panel > Add/Remove programs and select HiRezGamesDiagAndSupport from the list of programs.