Fatal Error BEX with 737NGX

Without any warning I am keep getting "Fatal Error" and shuts down the FSX.This is started after installation 737 NGX. I completed my search and no results. Only hope here. If I un- install 737 NGX. I don't get any more. I hope you have a solution,THX DescriptionFaulting Application Path: D:\FSX\fsx.exeProblem signatureProblem Event Name: BEXApplication Name: fsx.exeApplication Version: 10.0.61637.0Application Timestamp: 46fadb14Fault Module Name: unknownFault Module Version: 0.0.0.0Fault Module Timestamp: 00000000Exception Offset: 34112852Exception Code: c0000005Exception Data: 00000008OS Version: 6.1.7600.2.0.0.256.1Locale ID: 1033Extra information about the problemLCID: 1033