Mac OSX Yosemite 10.10.5
MacBook Pro (Retina, 15-inch, Late 2013)
Processor 2.6 GHz Quad Intel Core i7
Memory 16 GB 1600MHz DDR3
Details to recreate issue:
Open media bay then go to “VST Sound” and you will notice that “Factory Content” and “User Content” don’t have drop down menu arrows even though they have folders in them, the arrows are there but you have to select the folders to make the show up but the go away again once the media bay is close.