I have the same exact problem. In the log, this is what I get:
0:01:24.951 D/STM: Transitioning from state state_NormalLoading to state_Normal
0:01:24.951 I/FCG: Setting total number of aircraft to 1
0:01:28.106 I/WIN: Opened window IOS Window
0:01:28.106 I/WIN: Opened window menu bar
0:01:28.106 I/WIN: Opened window Replay overlay
0:01:41.346 I/WIN: Opened window Ground handling window
0:02:23.267 I/WIN: Opened window Settings
0:02:24.973 I/ACF: Loading airplane number 1 with Aircraft/Laminar Research/Boeing B737-800/b738.acf
0:02:24.973 I/FLT: Init dat_p1 type:loc_snap_load lat:0.000000 lon:0.000000 ele(ft):0.000000 psi:0.000000 spd(kts):0.000000
--=={This application has crashed!}==--
Flying on a non-steam version with someone using the steam version. Not sure if that's a problem or not.
Running: log.txt for X-Plane 11.01r2 (build 110102 64-bit)
We are connected via Hamachi and lan.