Studio Tools 13 and 12 used to work kind of ok with the pre-3.0-versions of Parallels. I just upgraded to version 3 and found out to my disappointment that Studio is worse than before. Disappearing/flickering icons. Choosing a certain tool sometimes activates another tool. etc. ImageStudio is completely unusable. The geometry windows are black and only show a flickering view of the geometry when panning, rotating or tilting the view. I have tried disabling the directX support in VM preferences but it does not help at all.