I've some news... It seems that this bug has something to do with using a proxy, see bug #280505, may be this is a duplicated bug.
-- deskbar fails to grey screen after closing window https://bugs.launchpad.net/bugs/307421 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to deskbar-applet in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
