Your video card MUST support up to shader version 2.0, intel cards get kinda glitchy with MV for some reason as well. There was a complete list of supported cards
HERE that I know I tested a lot of these and they work.
Hardware and Software Requirements
IMPORTANT: The Multiverse Client requires a DirectX 9 compatible video card that supports pixel shader 2.0 and vertex shaders with at least 128 MB of texture memory. See Supported Graphics Cards for more information.
Minimum requirements:
Processor: Pentium 4 with 1GHz or greater
RAM: 512 MB (1 GB+ recommended)
Video: DirectX 9 compatible video card that supports pixel shader 2.0 and vertex shaders; with 128 MB of texture memory (256MB recommended).
Audio: DirectSound compatible sound card
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Operating system
The Multiverse Client runs on:
Windows Vista. See Running on Vista.
Windows XP Home and Professional Edition (including non-US English installations)
Windows XP Professional x64 Edition
Support for other operating systems is planned.