No update possible 
Author: Diego D.
Visited 1494,
Followers 1,
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Can't update higher then version 9.0.10.1842. Everytime I try to update, I get error 406
Posted on the
actually, there is not the mistake 406. He is quite rare. Contact your Hoster.
http://www.checkupdown.com/status/E406.html
Hello Diego,
Try to start the program as Administrator if it should not help then download the installer from your answers.websitex5.com profile and install it because this one contains all the latest updates.
Please let me know if this helps.
Author
this worked ;)