GameVance a.k.a. Game Vance is adware that is installed secretly as a bonus of gaming software. In other words, you download GameVance application to play some kind of computer game and all of sudden you receive numerous pop-ups that advertise various products and services. Basically, people can’t even play the games they downloaded because Game Vance loads advertisements all over the screen.

GameVance doesn’t steal personal information and it doesn’t pose as a security risk.

Source: http://www.spywarevoid.com/remove-gamevance-game-vance-removal.html