The FTXG uninstaller has just been released.

 

Public section of their forum (link accessible without registration/validation):

 

http://www.orbxsystems.com/forum/topic/63761-ftx-global-uninstaller/

Now I feel safe to install FTXG.

(I must be the only person on the world who bought FTXG when first released but didn't install immediately. Been waiting much too long for this uninstaller... should have been part of the original package IMO).