Make sure you've installed the stuff from the compability folder that comes with 1.13.
1.13 ? mmmh? strange i used 1.12 it worked a charm but 2 days ago it messed up... rundll 32 started to abuse the cpu for no reason, seems to happen at least once a year , maybe it needs a setting in nvidia panel and perhaps i used dgvoodo aswell, i dont know but somehow the game is running too high into temperatures.
Anyway i thought i saw a topic how to solve it, but i havent found it yet ....
i dont see a 1.13 are you using an external patch ? from a fansite or so or a mod site ?
my offline installers:
Jagged Alliance 2 1.12 586 MB
no 1.13 cant try it, and i dont favor 3rd party fanistes/modsites patches cause i tried some in the past and things only got worse, just like all the socalled ra2 patches :D NOTHING works, tried all, nothing works....