This program is usually installed by the PC manufacturer (HP) and is commonly known as "crapware." Unless you are actively using it's features (downloading games, which you say you aren't) you can uninstall the program by using the Add/Remove Programs
Control Panel applet. I ought to be listed there as DISCover My Games
or something similar.
While you're at it you might as well uninstall any other crapware that HP preinstalls on their computers. There's a neat, free program called PC Decrapifier
that may lend itself to removing most of the crapware in one fell swoop.