When in the infantry section and selecting light infantry units, say javeelineers, every time I click to select any of the other 3 unit categories, the game locks up, has to be reloaded. 

Stranger is that i can start at cavs or phalanx or heavy infantry and switch between those unit categories but as soon as you get in the light infantry section you can't get out, game locks up.

Stranger still problem exists on Server 1 but not Server 2, don't know about server 3 because don't have play there.