if ur having problems using the d2loader..just don't use it..instead..make a virtual cd image of the expansion cd..use a tool known as "virtual cd"
edit: This is also perfectly legal since u own the cd's and you are merely backing it up on ur hd..also, i'm not sure if this is only for me, but i think it would cut down on the loading time. But, u will use up quite a bit of disk space

What is this!?! A center for ants!?