Measure 4.0 (or Automotive) must be installed on the computer to access necessary resource files. The Import Project File command will not appear in the menu if one of these programs are not installed.
The file must be a Measure 4.0 file (not a 3.9, 3.7, 3.6 or 3.1 file).
You should only have the Measure X portlock inserted. If the 4.0 portlock is also inserted then they will conflict with one another and Measure X will give you the "no portlock" error message.
Keywords: automotive, Measure, upgrade, update