Scott Johnston wrote: > I'm on a macbook air with Mountain Lion 10.8.5. Trying Argyll with a DTP94. > > I'm getting "Instrument Access Failed." Any help would be appreciated. I > hope I'm doing something stupid. Hi, looks like I broke something on OS X when fixing an issue on Linux. These should fix the problem: <http://www.argyllcms.com/disptools_OSX64.tgz> Graeme Gill.