Same issue here since 0.54 update. Removed launch parameters. Verified game files. Game crash roughly every 30 minutes. initially with memory error, now only dayz.exe application error. Occurred in new V3S cargo with a passenger in front and killed my character while driving. Also occurs in random locations throughout map in cities and forest. Windows 8.1 x64, AMD FX-8350, 990fx board, 16GB ram, R9 280x.