Most likely your configuration file is having an issue. Without RT running, locate it on your mac (not a mac user here so I dont know where it is kept) and rename it. then start RT and see if that solves the issue
Most likely your configuration file is having an issue. Without RT running, locate it on your mac (not a mac user here so I dont know where it is kept) and rename it. then start RT and see if that solves the issue