(updated title to reflect it should be a warning, not error)
When I ran the installer I was not paying attention and ran it as root, it ended up installed in /usr/local/jbdevstudio3cr1. I then tried to run the uninstaller and was left with a few items in the Applications -> Programming Main menu as seen in the attached screen shot. Should we check to see if you are trying to install as root on linux. It also seemed that I was not able to have any servers available in the server view, although I am not sure if that is a first time running the cr1 installer error as seemed to have happened on my mac, where I never run as root. Now that I have installed once there is no way to test this hypothesis.