A short drop-by
I'm working some on your script there rhowarth, the thing is that we've got all kinds of messy VNC installs here, the thing i'm aiming on is a script that;
1. Check if VNC is installed.
2. Check version of VNC.
3. Uninstall an old version if necessary.
4. Check installtype (service/app mode)
5. Set installtype to service.
6. Remove shortcuts in Startupfolders etc, if VNC has been in appmode.

...this is taking some time, especially since we have everything from Win95a to Win2000 Server here, in English and Swedish versions...

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The tart is out there