hi thom, i cant get the tt vray tool to work on my sketchup 8 installed on windows 7 64bit.. i tried to install it in sketch up 8 on my 32bit windows 7 computer(all thesame setup like on my 64bit computer) and it all goes fine..i cant figure it out what seems to be the problem. i need your help please.here are some attachment of the tt vray tool windows on sketchup