3DMARK03 BIG Problems - Please Help...

can anyone help me as im having serious problems with 3dmark03, nevermind 3dmark06. the cpu test runs at 1fps. & it recognizes my graphics cards core & memory clock as 0.0hz. this is a brief summary of what it says: Description NVIDIA GeForce 6600
Manufacturer NVIDIA
Total Local Video Memory 256 MB
Total Local Texture Memory 256 MB
Total AGP Memory 120 MB
Driver File nv4_disp.dll
Driver Version 9.1.3.1
Driver Date 6-1-2006
Driver WHQL Certified true
Max Texture Width 4096 px
Max Texture Height 4096 px
Max User Clipping Planes 6
Max Active Hardware Lights 8
Max Texture Blending Stages 8
Fixed Function Textures In Single Pass 8
Vertex Shader Version 3.0
Pixel Shader Version 3.0
Max Vertex Blend Matrices 0
Max Texture Coordinates 8
VGA Memory Clock 0.0 Hz
VGA Core Clock 0.0 Hz.. anyone got any ideas whats going wrong? according to 3dmark this is my graphics cards capabilities: AGP Texturing, Hardware Transform and Lighting, Positional Lights, Subpixel Accurate Rasterizing, Stencil Buffers, Range Fog, Table Fog, Vertex Fog, W-Fog, Specular Gouraud Shading, Anisotropic Filtering, Bilinear Filtering, Point Sampling, Trilinear Filtering, Additive Texture Blending, Dot3 Texture Blending, Multiplicative Texture Blending, Subtractive Texture Blending, Environmental Bump Mapping, Environmental Bump Mapping With Luminance, Cube Mapping, Factor Alpha Blending, Vertex Alpha Blending, Texture Alpha Blending, Texture Clamping, Texture Mirroring, Texture Wrapping, Guard Band Support, Mipmap LOD Bias Adjustment, Projected Textures, Volume Textures, Point Primitive Support, Full-Screen Anti-Aliasing, DXT Compressed Textures, Two Sided Stencil Test, Mipmapped Volume Textures, Mipmapped Cube Textures, Texture Border Color, Spherical Mapping, Automatic Mipmap Generation, Hardware Rasterization, Shading, Transform and Lighting, Scissor Test, Legacy Depth Bias.. i also seem to be having problems with my ram. even though i have 2gb corsair.. this is my open proccesses: 3DMark03.exe 3572 12 MB
alg.exe 2496 3 MB
avgamsvr.exe 2000 7 MB
avgcc.exe 1820 10 MB
avgemc.exe 252 6 MB
avgupsvc.exe 196 4 MB
csrss.exe 616 5 MB
explorer.exe 1680 19 MB
Idle 0 28 KB
IEXPLORE.EXE 1908 11 MB
jusched.exe 1844 2 MB
lsass.exe 712 1 MB
MagicDisc.exe 388 2 MB
mpbtn.exe 1524 3 MB
msmsgs.exe 180 2 MB
msnmsgr.exe 2040 11 MB
NMBgMonitor.exe 2024 5 MB
nvsvc32.exe 444 3 MB
PCguardadvisor.exe 1812 9 MB
raid_tool.exe 300 3 MB
rundll32.exe 1768 4 MB
rundll32.exe 1800 3 MB
SCDEmuApp.exe 1852 2 MB
services.exe 700 5 MB
smss.exe 568 376 KB
spoolsv.exe 1416 4 MB
svchost.exe 872 5 MB
svchost.exe 940 4 MB
svchost.exe 1036 27 MB
svchost.exe 1084 4 MB
svchost.exe 1152 4 MB
System 4 236 KB
wdfmgr.exe 528 2 MB
winlogon.exe 656 3 MB
wmiprvse.exe 1180 6 MB
wpabaln.exe 3744 3 MB
wuauclt.exe 3156 5 MB
i tried playing just cause today but it was unusually very jumpy & it was real slow. unusual since i can play quake 4, doom 3, call of duty 2 etc with no problems.. is it because of these open proccesses? according to 3dmark as well, my total free ram is only 1.15gb out of 2gb. but i hardly have anything installed.. any help, advice or suggestions at all are welcome & appreciated.. my pc specs are: amd athlon 64 3000+ 2.0ghz socket 754 cpu, asrock k8upgrade vm800 with a asrock am2 cpu board add-on(not used), nvidia geforce 6600 256mb agp, 2gb corsair xms twinx matching pair ram, 250gb samsung sp2504c sata hdd, 1x nec nd-3520a cd/dvd writer & 1x toshiba r1120a (i think) cd/dvd reader, harman/kardon soundsticks II, windows xp home with sp2, various fans, hard drive cooler etc... please help if you can.. thank you very much for taking the time to read this & hopefully your help