your system have only intel integrated HD graphics. its graphic memory should be 32MB or64MB. try another antivirus like avast, they provide gaming mods in which processor and memory usage are reduced. try this games
call of duty 1,2--- @ 1366x768, Anti-aliasing(AA) off----you get 40-45fps
CALL OF DUTY 4 modern warfare-- 800x600,AA off, low settings-----25-30fps
call of duty 5,6,7,8--480x640,low settings----15-25fps
IGI 1 & 2-- 1366x768 medium settings--- 25-40fps
GTA vice city--low settings
hitman-1,2,3-- low settings
UEFA
FIFA-upto 2012
Battle field bad company 2--@ very low settings--15-20fps
nfs-hot pursuit,carbon,most wanted--low settings
nfs 12 work @ 15-17fps
Games upto 2012 may work on you lap beyond that you get only 10-12fps
call of duty black ops 2 or ghost will not work
for any high performance games,when you try to play, it goes APPCRASH