HelloI am running FlightGear v 0.9.9 on Windows XP.I am having a problem where the simulation freezes at some point when I get too far away from the takeoff airport. On some occasions I can Ctrl-Alt-Delete and get the task manager and kill the application. On others, I have to reboot the computer.Any thoughts on what I should do ?/ Fredrik

>Hello>>I am running FlightGear v 0.9.9 on Windows XP.>>I am having a problem where the simulation freezes at some>point when I get too far away from the takeoff airport. On>some occasions I can Ctrl-Alt-Delete and get the task manager>and kill the application. On others, I have to reboot the>computer.>>Any thoughts on what I should do ?Preferably, you should try to provide a minimum amount of possibly relevant information, such as for example:Hardware:- CPU?- RAM?- GRAPHICS CARD?- SOUND CARD?Software:- OS, kernel/version, service packs?- any additionally running software?FlightGear:- how is FG run? (wizard,console/shell)- what startup parameters are used?- any error messages or warnings in console window?- is the problem in any way specific to certain conditions (airport, aircraft, weather/visibility etc.)?Thanks

HiNow it happened again and I managed to get some log text from the console window. This is what it says:Attempt to divide by zero in method FGColumnVector3::operator/(const double scalar), object 09D0BF98Some changes to the code seem neccesary.

>Hi>>Now it happened again and I managed to get some log text from>the console window. This is what it says:>>Attempt to divide by zero in method>FGColumnVector3::operator/(const double scalar), object>09D0BF98>>>Some changes to the code seem neccesary.That may be true, however without providing some basic context information, it will be hard to tell under what circumstances your problem occurs, that's exactly the reason why I specifically asked you to provide some basic framework information (hardware,OS,software,startup parameters,environment variables,runtime config etc).You may be able to provide more meaningful debug info if you can fgfs with --log-level=bulk so that you can preferably post the full output here or to the devel mailing list, alternatively it may be sufficient to simply post the last 20-30 lines before the exception is thrown.

Mine appears only to freeze like you say when I have 'Real weather fetch' checkbox selected. It appears to get the correct weather the first time but im thinking it may have a problem the next time it tries to fetch it.Just an idea. Hope it helps.