thanks for posting. I even have a couple of ideas ;-)

1) Did you export the actual Behaviour you created in the Behaviour 
Factory? (just choosing it from the action button at the lower end of 
the window and then saving it in the suggested location installs it 
and makes sure it is actually loaded upon the next startup)

2) Do you use a customized menu? If so, please make sure you manually 
add your new behaviour in a place of your choice after you added it.

Hope that helps.

Best regards, 
Felix