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Co-Existence Failure On The Pmdg 747

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Hello

I have the pmdg 747-400 QOTS-2. Whenever i try to install the 747, the installer says that there is a co-existence failure. I submitted a ticket on the pmdg portal. They said that both registry points out to the same location for two simulators and this will confuse the installers. I use FSX-SE. can anyone help ?

Any help will be appreciated 

Thanks

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Do you (or did you previously) have the FSX boxed edition installed on the machine?  If FSX-SE sees registry entries for FSX already in existence when it installs, it creates a separate set of registry entries for FSX-SE.  If it doesn't, it puts its registry entry where the non-SE FSX entry would have been.  If both exist, they should point to different folders.  A reinstall without first doing a complete uninstall might have also left the registry entry in place, which might conceivably drive the installer to add the second set of registry keys when run subsequent to the first installation.

It's also possible a registry repair tool may have pointed the FSX entry to your FSX-SE path, which could give you registry entries for the two different sims pointing to the same place, which I believe is the error being flagged.

It'll probably require some careful registry editing to remove the second set of keys for FSX-SE (assuming FSX boxed is not also installed).  Some Google-Fu should lead to to the location.  Making a complete system backup prior to fiddling with the registry is always a good idea, in case you accidentally booger something up.


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Yes i had fsx boxed edition before. I installed FSX-SE without uninstalling FSX boxed. Then after sometime I uninstalled FSX boxed edition.

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Posted (edited)

Installing both versions is fine until one of them is removed. Even then, the remaining one should carry on working, unless, as mentioned above, the registry has been amended. Depending upon what the PMDG installer is reading, you will probably need to remove all references to FSX-SE, both in the registry and in the appdata folders. However, as we do not know whether your copy is using the FSX or the FSX-SE folders, you will need to rename one or the other to find out. If it is using FSX folders, then you can delete all the FSX-SE registry entries. The task would be made much easier if you can get PMDG to tell you what their installer looks at to identify the simulators that are installed. 

Edited by Reader

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