Hi
"....it doesn't support saving the project file."
Sorry, that's incorrect....You can save your project in VP all versions...this is the vpj file. But with the free version you can only render your product, that is output it, to your PC as mpeg avi and wmv the other formats are disabled. If you can't save your project as the vpj file then there is something wrong. If this is the case I would re-install VP from the setup.exe file you downloaded, or revert to a previous version.
Nat