thanks you for your ansewer and please excuse my english because i am argentine,o.k Ihave an amd FX8370 processor ,an N-vidia 950 gtx and 8 gb.ram.The problema is en full screen with default settings the x-plane 11 crash in few minutes but in windowed screen run perfectly and another is that in this machine run the x-plane 10 full settingns without problems;the crash reports of x-plane 11 is clean (no reports of crash)