That I can not say since they both say on the copyright this
PhotoPost vBGallery v1.0.1 although it does report the
vb version but I am unsure if that comes from
vb or not.
I just suggest you redownload the code and update the files and reinstall the phrases. It is the only way to be sure. If your login is not recognized then you are for sure using the 3.0 version.