Must install software/programs for a new pc game

[iNdut000]

Windows 7 Ultimate 64-bit
CPU: intel i3 2120
GPU: GTX 550 TI 2gb
RAM: 8GB DDR3

what can possibly go wrong, everytime i launch a game(dragon nest sea, cs go, gta 4) exe has stopped working will show up. please help me guys!!

Regards,
fendy

 

[SkyNetRising]

Check for viruses/malware.
Do all windows updates.

 

[iNdut000]

Check for viruses/malware.
Do all windows updates.

windows update already done.
drivers are all up to date.