Naruto Clash of Ninja ( US ) Error, Direct 3d Device Creation Error, I have searched

Naruto Clash of Ninja ( US ) Error, Direct 3d Device Creation Error, I have searched, I NEED HELP
Specs:
Intel(R) Pentium(R) 4 CPU 2.80GHz
2.80Ghz
512 MB of RAM
Geforce Nvidia ( dunno which model )
OS: Windows XP Professional

I have installed DirectX 9.0 , and I have installed the Optional DLLs
Please HELP!!!