Need some help with GTA IV lag

[djsb]

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My one pc is perfectly fine with gta iv but my new one, which is a lot stronger, lags. maghaybung nalang ta mga bro.

specs sa first pc:
-core 2 duo
-8gb ram (since XP ang pc, 2gb ra tingali na gamit. pero sakto ra jud for gta iv)
-nvidia 9500gt
-win xp sp3

sa 2nd pc:
-i5 sandy bridge
-8gb ram
-nvidia gts 450
-win 7 ultimate

nagduda ko nga sa windows 7 ni siya, pero windows cooperated bya sa gta, so optimized for windows sad tingali ang gta iv diba?

and yes, all my drivers are updated because of battlefield.

[djsb]

guys, just fixed my lag, all i had to do was update it. thanks.