navigating in fighting steel crashing to desktop

[dog of war]

when i click on the 2d map to change course game crashes to desktop
also when i use the navigation screen in the lower left corner , clicking on the turn circle and bearing/heading course arrows = same result
the speed up/down box works fine all other boxes weapons etc work fine. just cant make it change course .crashes to desktop why? version 1.1 dbz

[Warship NWS]

To DoW, download FSP v10.43.. it fixes some later DX compatibility issues as noted in our FAQ.

http://forums.navalwarfare.org//showthread.php?t=6

Thanks.