I am trying to update pharo via world menu , I am using nativeboost CogVM from jekins servers , win32 and the image from All in One pharo (pharo 1.4) that I downloaded today. It worked fine with my macos but in fails with windows 7 with this error. 

Downloading Updates

Loading 14450-Pha-ZincUpdate

adding Versions

Downloading ConfigurationOfMetacello-dkh.709.mkz

Debugger reporting :

ZnHttpUnsucessful : 404 Not Found

I am attaching a file out with the full trace , I hope it helps.