Hi muzique,
did you try after a restart? The Syncrosoft LCC should be properly installed, otherwise the installation of the Vienna Instruments wouldn´t have worked.
You should not doubleclick the "package.info", that is useless.
As described in the manual and shown in the Installation Video, you need to start the Library Installer (in the Vienna Instruments folder you find in "Programs").
The Library Installer will ask you to locate "package.info" on DVD #1, and will guide you through the installation process.
The installation will work without the licenses downloaded, as it contains a Demo License for cases like this - you have 180 free starts to check out the collection.
Let´s see if we can get the installation of the library to work. And I´d try a restart, then open the Syncrosoft LCC before anything else to find the serial number of your key.
Best,
Paul
Paul Kopf Head of Product Marketing, Social Media and Support