hello excuse someone can help me I’m running openfire 4.2.3 on windows and I create a video conference https: // my server: 7443 / ofmeet / open the room asks me my username and password starts the video conference and I want to share my desktop and I appear that I need a complement I can add it and then I get an error that I can do to 
solve it
Screen sharing is not working. Read about it here Openfire Meetings Desktop/Screen Sharing using Pàdé