If someone shares their desktop with me using Skype it works fine. If I share my Ubuntu 11.04 desktop with them it is not successful. I stop desktop sharing - then click on the Skype menu to share and on the second click it is successful. Could this be a problem with Compiz? Once desktop is shared it is responsive and fast. I have all the latest updates applied and use HP laptop with NVidia chip
Well, that should be fairly easy to check. If you deactivate compiz and the problem goes away, then it's a problem with Skype and Compiz. If the problem does not go away, then it is just a problem with Skype.