I just tried to build Sugar from scratch on a fresh Fedora Core 6 system, and I'm getting the same error when I try to run it. -Don Russell Harrison wrote: > ImportError: > /scratch/sugar/sugar-jhbuild/build/lib/python2.5/site-packages/_sugar.so: > undefined symbol: > _ZN13GeckoDownload18OnRefreshAttemptedEP14nsIWebProgressP6nsIURIiiPi