Screen sharing error

Openfire Plugins
1

Hi
Iam using openfire 4.2.3 and ofmeetings 0.9.3 , when i try to share my screen it shows error.
“Screen share extension failed to install”

2

I suggest reading this about desktop sharing Openfire Meetings Desktop/Screen Sharing using Pàdé

3

I tried this extension but it is not allowing share screen
It shows same error “Screen share extension failed to install”