CTD Again

hey guys i have done may flight and have had no problem at all but on the past three flights i have had 1 screen freeze 1 fsx freeze and just now a CTD. the CTD i recovered some information that will hopefully help to find a soloution Problem signature:Problem Event Name: APPCRASHApplication Name: fsx.exeApplication Version: 10.0.61472.0Application Timestamp: 475e17d3Fault Module Name: PMDG_737NGX.DLLFault Module Version: 1.0.0.0Fault Module Timestamp: 4e3afb98Exception Code: c0000005Exception Offset: 000e1ba2OS Version: 6.0.6002.2.2.0.768.3Locale ID: 5129Additional information about the problem:LCID: 5129 Vista 32 bit Hope this helps Thanks Chris Finlay