virtualbox.org

Hope I'm doing this right. First time posting on this site. I just downloaded the Vituralbox on my MacBook and was hopping to play with it. Installed ok but with I try and run it I get the following error message. Any fixes?
Thanks in advance!

Here's the full Error Window:
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Could not load the settings file '/Users/<username>/Library/VirtualBox/VirtualBox.xml'.
Cannot convert settings from version '1.9-macosx'.
The source version is not supported.


Result Code:
NS_ERROR_FAILURE (0x80004005)
Component:
VirtualBox
Interface:
IVirtualBox {557a07bc-e6ae-4520-a361-4a8493199137}