The x2goclient installer for Windows does come with an uninstall-script, but when I go to "Add or remove programs" on Windows XP or "Uninstall a program" on Windows 7, it does not list x2goclient. The Windows installer for x2goclient should add the needed registry keys or whatever mechanism Microsoft uses to allow uninstall from the control panel.
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Anders Bruun Olsen
It-ansvarlig
Det Danske Sprog- og Litteraturselskab
(Society for Danish Language and Literature)