Reply To: Importing ROIs October 14, 2015 at 11:52 am #92 burgewkParticipant I think I figured it out. I tried to run it from the command line and found it to be a X11 issue. I had to download xquartz and it appears to be running the svreg now. I am using OSX v 10.10.5 for anyone else who might encounter this. Wes