This sheds a little more light on the situation, there is no XInputExtension in the free version, and it shouldn't be being asked for by the app...
http://www.realvnc.com/pipermail/vnc-list/2005-December/053489.html
Check with this xdpyinfo | grep XInput (nothing)
on the physical console xdpyinfo | grep XInput XInputExtension
This sheds a little more light on the situation, there is no XInputExtension in the free version, and it shouldn't be being asked for by the app...
http:// www.realvnc. com/pipermail/ vnc-list/ 2005-December/ 053489. html
Check with this
xdpyinfo | grep XInput
(nothing)
on the physical console
xdpyinfo | grep XInput
XInputExtension