APB I need Help :((

Hi guys i have a problem wit my client ... i have : i3-3220 , msi R7770 and 4 gb rams .... I play on max but the problem is apb give me ''Out Of Memory'' wen it reaches 2gb rams ... sameone can tell me way he give it and wat i can do... oo and yea my game is on steam .(sry for my bad english)


ystem Information
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Time of this report: 9/16/2012, 19:49:42
Machine name: SNOPPDOGY-PC
Operating System: Windows 7 Professional 32-bit (6.1, Build 7600) (7600.win7_rtm.090713-1255)
Language: Romanian (Regional Setting: Romanian)
System Manufacturer: Gigabyte Technology Co., Ltd.
System Model: To be filled by O.E.M.
BIOS: BIOS Date: 03/23/12 22:47:30 Ver: 04.06.05
Processor: Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (4 CPUs), ~3.3GHz
Memory: 4096MB RAM
Available OS Memory: 3564MB RAM
Page File: 1417MB used, 5707MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7600.16385 32bit Unicode