False positive when installing Tribes: Ascend

Unchecky warns you that you may be about to install unwanted software when you attempt to accept the license agreement for the game. Tribes: Ascend is a free to play first person shooter. At the time of this post, the installer doesn't include any bundled software.

The installer is located here: http://www.hirezstudios.com/tribesascend/home/sidebar/tribes-download (approx 50mb)