Hi
Just downloaded version 3.29 (Latest) from the NCH website.
As with 3.28 this version won't save a .vpj project file
as the feature is disabled.
Exporting the sequence to the PC is OK in all the available file types as the demo has not yet expired.
However, saving a project as a .vpj file no longer works.
Pressing the "Save Project" Tab or selecting it from the "File" tab brings up the message....
"This a trial demo version of VideoPad video editor Professional
for evaluation use only.
Please buy the program now to use this feature."
Back in the Bin along with 3.28! 
Nat