# Reading C:/modeltech_6.5/tcl/vsim/pref.tcl 
# ** Error: License checkout has been disallowed because
# only one session is allowed to run on an uncounted nodelock
# license and an instance of ModelSim is already running with a
# nodelocked license on this machine.
# Unable to checkout a viewer license necessary for use of the ModelSim graphical user interface.  Vsim is closing.