Remote desktop not showing Windows

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http://askubuntu.com – I'm using Ubuntu 10.04. When I enable Remote Desktop and connect via TightVNC I can't see any windows on the VNC screen - I just see what looks like a default desktop, not the customised desktop on the console. If I click the mouse on the VNC window then it does the action on the console, it's just that the VNC window isn't updating from the console. Any ideas as to why this is happening? I tried using x11vnc and the same thing happened. (HowTos)