My XPlane is crashing when I load Crj-200 on runway engines running, or on ramp when I set Battery Master on. I did the hardware test. It was sucessfull. Same with demo version. Model: iMac9,1, BootROM IM91.008D.B08, 2 processors, Intel Core 2 Duo, 2.66 GHz, 4 GB Graphics: kHW_NVidiaGeForce9400Item, NVIDIA GeForce 9400, sppci_pci_device, 256 MB Exception Type: EXC_BREAKPOINT (SIGTRAP) Exception Codes: 0x0000000000000002, 0x0000000000000000 Crashed Thread: 0 Dyld Error Message: Symbol not found: __ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_i Referenced from:/X-Plane 9 Demo/Aircraft/X-Aviation/CRJ-200/plugins/CRJAvionics/mac.xpl