Out of interest I get this in the console log not every time I print but most. It may or may not be relevant. 08/10/2013 16:56:46.685 com.apple.hiservices-xpcservice[3784]: Bug: 12F45: liblaunch.dylib + 24032 [2F71CAF8-6524-329E-AC56-C506658B4C0C]: 0x10 Thanks Terry