when i play c&c3 of 20-40mins the game freezes and then crash! and this message comes out

Direct3D error (D3DERR_DRIVERINTERNALERROR)

How can i fix it???

My System is

Intel Core 2 duo 1.8

1GB RAM

Inno3D 256MB/64bit GeForce 7300GS

updated DX9.0c, drivers:

Have you the latest drivers for your video card?