I have a problem that has cropped up from time to time and the only way i can fix the problem is by reinstalling Windows. Everything is running fine and then one day I open FS and nothing happens. I open the task manager to see what processes are running and it says FS9.exe and a rundll32.exe which is eating up 100 percent CPU. Rundll32.exe never use to run before when all was fine. But now I open up FS9 and if i click on it again another instance of FS9.exe is there and rundll32.exe with CPU at 100 percent. Strange. I do a complete clean reinstall of FS and still the same. Only way to get the CPU down to normal is by ending the rundll32 process. I reinstall windows and all is fine. This happened a number of times for me. Strange. I am running WIN 7 Home premium on a 32 bit laptop (though it does it with 64bit as well). FSUIPC and FS navigator is the only real add-ons i have. Did a virus and Malware scan and found nothing. Anybody have a clue? Did a search and only found one thread with a solution about the games folder and not updating but that didn't work for me. Any help is appreciated as i'm tired of reinstalling Windows ever 3 or 4 months because of this problem. Oh yeah i've updated to 9.1 and running the no-cd exe. Thanks

I have a problem that has cropped up from time to time and the only way i can fix the problem is by reinstalling Windows. Everything is running fine and then one day I open FS and nothing happens. I open the task manager to see what processes are running and it says FS9.exe and a rundll32.exe which is eating up 100 percent CPU. Rundll32.exe never use to run before when all was fine. But now I open up FS9 and if i click on it again another instance of FS9.exe is there and rundll32.exe with CPU at 100 percent. Strange. I do a complete clean reinstall of FS and still the same. Only way to get the CPU down to normal is by ending the rundll32 process. I reinstall windows and all is fine. This happened a number of times for me. Strange. I am running WIN 7 Home premium on a 32 bit laptop (though it does it with 64bit as well). FSUIPC and FS navigator is the only real add-ons i have. Did a virus and Malware scan and found nothing. Anybody have a clue? Did a search and only found one thread with a solution about the games folder and not updating but that didn't work for me. Any help is appreciated as i'm tired of reinstalling Windows ever 3 or 4 months because of this problem. Oh yeah i've updated to 9.1 and running the no-cd exe. Thanks

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Active Camera use to cause double fs.exe to run. There was an update that fixed this years ago. If you use AC make sure it is the latest version. KJ

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I didn't come here for idiot replies newbie!!

In case anyone should search for this problem in the future, here is the answer. Run regedit.Delete any entires under HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\GameUXJust leave Games and MachineSettings in there

visit:http://support.microsoft.com/kb/837195-cheers

If you are using an NVida card and drivers, below are 3 registry keys that I've found that I don't need or use. They were installed when I installed my NVida video drivers, (at least on WinXP32). So I simply backed up the key information somewhere and then removeed them. They were causing RUNDLL32.EXE to stay running on my system twice.from HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunNvCplDaemon "RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup"NvMediaCenter "RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit"nwiz "C:\Program Files\nVidia Corporation\nView\nwiz.exe /installquiet"I also disabled the "NVIDIA Display Driver Service" as I've found it not to make any difference to what I'm doing with my FS9 box. It also saves a bit of memory. I'm not sure of the impact that it would have on your system but you could always put things back as needed.Mark