There has been an update to the XenoTray.exe. This update can be downloaded here:

https://www.bigfootnetworks.com/killer/XenoTray.exe

After downloading the file, right click and select "exit" on your current Xeno Tray (if you have it running). Next you will replace the existing XenoTray located in C:\Program Files\Bigfoot Networks\Xeno Suite\ with the new XenoTray.exe that you just downloaded.