Hello Michael, On Mon, 2011-07-11 at 13:47 +0200, Michael Howitz wrote:

Maybe the file in your downloads cache is broken. So delete it and try again.

Yes. You were right. Deleting the 'zope.viewlet-3.7.2.tar.gz' from the buildout cache solved the problem. Thanks for helping me out even if the problem is too silly. -- Joshua Immanuel HiPro IT Solutions Private Limited http://hipro.co.in