D3D9 error

Whenever i start sro i get d3d9 error nothing will be rendered...blala...install directx sdk to get full reference device.
i reinstalled sro and downloaded directx but it wont work..help plzzz

my pc:-

OS : Windows XP Professional Edition Service Pack 2 (build 2600)
CPU : Intel(R) Pentium(R) D CPU 2.80GHz
Memory : Physical(1021.8MB), Page(2459.8MB), Virtual(2047.9MB)
Graphic Card :
Graphic Card Version : 5.1.2600.0000
Graphic Driver Date : 2001- 8-23 15:00
Build(exe) : [2000-00-00] [00:00:00]

i fixed it just go to display in the control panel then configure tab ...then advanced options button then problem solver tab ....once there just move the hardware acceleration to the most right option and you are done :D u can now play sro :)