I install ALL of my genesis installations, into a new runtime I created just for Genesis.  That's the DAz Studio files, the DSON files and poser core files.  In my case it's in my documents in a folder called Genesis Runtime.  I stick everything in there, it is seperate from my Gen4 and older Gen3 and prior runtimes so I can easily sort and locate items.

That seems to work well for me without any errors.