Though no problems during normal gameplay, anything involving editing scenarios seems to guarantee.
Currently, out of 13 starts of an in-progress scenario - 3 crashes, and 10 'weird' events - looping error messages, re: missing animname_prto...
First time unit AIB
Second time unit M-60
third time unit SF
fourth time militia
And loop - sometimes, just for fun, the even repeat
The above is in addition to crashes at other times, and different scenario work