Save project error
A project (never saved before) should be saved by using "File"->"Save Project" poped up with
The named project/path seems to be the last used with Petrack. I would suggest not to use a project for saving from a previous call of petrack.
I think, if it never has been saved and a person uses "File"->"Save Project" the prodedure of "File"->"Save Project As" could be come up.