First try turning off audio and animations by going into the Options menu.
If you know you have a hardware accelerated 3D video card, but are still experiencing poor performance, try setting
your Windows desktop to 16 bit color. Many 3D video cards accelerate poorly or not at all when the desktop
is set to 32 bit color. Additionally, Windows NT doesn't support hardware accelerated 3D using DirectX.
Do you have the WildTangent web driver installed on your system?
The WildTangent web driver requires you to have Microsoft's DirectX installed on your system. Most systems already have DirectX installed, but if yours doesn't, you can get it here.