I'm not quite sure when this started happening, but on my work computer, I can't seem to keep PS CS4 open if I want to open another graphics app, be it 3D (Blender, Silo), or 2D (SAI, MyPaint, Flash [<--ffs!]). If I do, said app will crash out, pretty much without fail. Has anyone ever experienced this, and if so, what the…