Program Files\Eagle Dynamics\DCS World 2 OpenAlpha\bin/DCS.exe
Go to the above folder and right-click the DCS.exe file.
Compatability tab
Uncheck the "run as administrator" box.
Run the open beta repair.
I did this and the (740) error stopped. However, the game still crashes while loading. I'm going to uninstall and redownload to see if that fixes the crashing problem.