I suppose it's the graphic driver?
a bit more about your pc/mac specs would be interesting.
if it's not a driver problem (often the newest driver is not the "best") try to reproduce the bug and send the log file to the resolume team
MainSys: Z77 UP5,3570K,32GB Ram,GTX 285, M3 128GB,4x3TB R5@LSI9750
VJSys 1: 990FX UD5,X6 1045T,16GB Ram,GTX970+610+610,M3 128GB,3x1TB R0
MBP 3.1; Schenker A102 (650m) & P702 (675m)