I'm a zope newbie and have just started learning using The Zope Book. I signed up for one of the free accounts at zopesite.com and have been using it, but I have a pretty basic problem: when I cut something from within a folder, the paste button appears, but as soon as I navigate to another folder it disappears and I am unable to paste the object somewhere else.

Check that your browser has no probleme with cookies, and also that you don't have some kind of transparent caching proxy between you machine and the internet that plays games with cookies or caches pages too aggressively. You may want to force-reload the page (shift-reload in some browsers). Florent Guillaume Nuxeo