After using the J41 for several hours a strange graphics corruption (rainbow colors on the coaming panel) occurred and then FSX crashed. Here are the error details delivered by Windows 7:Problem signature: Problem Event Name: APPCRASHApplication Name: fsx.exeApplication Version: 10.0.61637.0Application Timestamp: 46fadb14Fault Module Name: ntdll.dllFault Module Version: 6.1.7600.16385Fault Module Timestamp: 4a5bdb3bException Code: c0000005Exception Offset: 00033915OS Version: 6.1.7600.2.0.0.256.1Locale ID: 1033Additional information about the problem:LCID: 1033At the time of the crash Active Sky Advanced was in use and no additional add ons (excluding J41)Maybe this could help to trace the strange graphics behavior on some systems...

ntdll.dll is a windows file. Head over to the FSX and hardware forums, you'll find many threads on the subject.I had this happen once a few months back and the only thing I found that fixed it for me was a reinstall of Windows 7. I know that's not what you wanted to hear, but maybe you can find something else that helps you.

That sounds an awful lot like the video card overheating to me, not an issue with the plane. Graphics corruption is not going to be something in our code - we have absolutely no control over that, that's FSX, Windows and the graphics driver. The fact that it happens after a few hours also strongly points to overheating.

Thank you for the reply.The card is year old and haven't given me any concerns about its stability.Anyway if the problem persist (and I hope it wouldn't) I might opt for newer graphic card... :(