Import error ( 14 days demo license)

Hello,
In rare cases I am not able to import an entity like simple cube or obj format in keyshot.
Newest key shot assembles, Intel i5 2320, Nvidia graphics, windows 7 with 64bit.
Thank you.

KeyShot 3 Import Error
Cannot start importer (luxion_geometry_obj)(error code-1)
Please reinstall KeyShot or contact support @luxion.com.
