This happens while moving the VST or VSTi window. Graphics become garbled, superimposed or go missing. Minimizing and maximizing the Live window returns the GUI to normal. Reaktor 4.1.3 exhibits this problem, especially.
Thanks...
P4 3.2 w/HT
Asus P4P800 v.1019
512 MB
EMU-1820m v.1.71a
Matrox P650
XP Pro SP2a
Live 4.1.2