We have a feature based product on eclipse 3.4.
I have the update plugin and site.xml, and these worked fine on eclipse
3.3.2 . But now when i try the software updates link in Help i get the
message "Cannot launch the Update UI. This installation has not been
configured properly for software updates."
Now to solve this i researched and dint understand much about the p2izing
of the product.
I found one solution somewhere : I added the plugin
"org.eclipse.equinox.p2.user.ui.source" to my features and my Windows - >
Software updates works now.
But when i add a site and install i get the following stack: