Ive got exactly the same problem with the Su-27/33 after updating open beta to the latest version. When i try to startup the plane in any mode(instant action, own mission, MP etc.) i get a game crash.
Logs attached.
Error in log:
In addition to this every time i launch DCS i have to reactivate F-15C and Su-33 modules with my FC3 key. Similar problem was reported in topic in this section named " SU-33 Authorisation crash":
https://forums.eagle.ru/showthread.php?t=204435
Tried cleaning and repairing the game install atleast 3 times but didnt help. even reinstalled the Su-33 module but didnt help either. dcs.log-20180314-212805.zip dcs.log-20180314-213357.zip dcs.log-20180314-213932.zip