Monte Cristo Medieval Lords for Windows "run x86 build" Questions

...run game I get an box that says ''error prism3d''. I am including my system info below.... OS Name Microsoft Windows XP Home Edition Version 5.1.2600 Service Pack 2 Build 2600 OS Manufacturer ...

...run NULL Get Medieval Lords patch v1.01bhttp://www.fileplanet.com/164741/160000/fileinfo/Medieval-Lords:-Build,-Defend,-Expand-Patch-v1.01b  C:\Program Files (x86)\Monte Cristo\Medieval ...