Hi Ace, I don't use it myself however you will find various thoughts on Game Booster in these threads:
Game booster 3, anyone tried it?
http://forum.1cpublishing.eu/showthr...t=game+booster
Game Booster 3 & Launcher exe failure
http://forum.1cpublishing.eu/showthr...t=game+booster
Use Gamebooster or similar software to boost performance
http://forum.1cpublishing.eu/showthr...t=game+booster
Game Booster
http://forum.1cpublishing.eu/showthr...t=game+booster
I hope you find your answers.
~S~