CTD @ Splash Screen

Help Yesterday FSX working fine now cant get past splash screen comes up with fatal error and have done a repair below is the error information any help please:-Problem signature: Problem Event Name: APPCRASH Application Name: fsx.exe Application Version: 10.0.61472.0 Application Timestamp: 475e17d3 Fault Module Name: simprop.dll Fault Module Version: 10.0.61472.0 Fault Module Timestamp: 475e180d Exception Code: c0000005 Exception Offset: 00006da7 OS Version: 6.0.6001.2.1.0.768.3 Locale ID: 2057Additional information about the problem: LCID: 2057