Worlds on Vista & Windows7
Many older programs need to be run as administrator in order to function properly,
Worlds is no exception, just right click the worlds icon and select
"Run as administator"
You can set any short cut to do this everytime by setting its properties
right-click on the shortcut, and click "Properties".
click the Advanced button on the Shortcut page to get to the Advanced Properties dialog.
You’ll see a dialog with a checkbox for “Run as administrator”.
From now on, the application will always run as administrator if you use the shortcut to launch it.
(You’ll be prompted by UAC if you have it enabled).