Amos, the upload failes for me, this is what I get from IE5.5. Thomas Zope Error Zope has encountered an error while publishing this resource. Error Type: ParseError Error Value: ('Unknown archive format', 'application/x-zip-compressed', None) Troubleshooting Suggestions The URL may be incorrect. The parameters passed to this resource may be incorrect. A resource that this resource relies on may be encountering an error. For more detailed information about the error, please refer to the HTML source for this page. If the error persists please contact the site maintainer. Thank you for your patience. Traceback (innermost last): File /home/amos/Trunk/lib/python/ZPublisher/Publish.py, line 223, in publish_module File /home/amos/Trunk/lib/python/ZPublisher/Publish.py, line 187, in publish File /home/amos/Trunk/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook (Object: RoleManager) File /home/amos/Trunk/lib/python/ZPublisher/Publish.py, line 171, in publish File /home/amos/Trunk/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: addArchive) File /home/amos/Trunk/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: addArchive) File /home/amos/Trunk/lib/python/Products/NetDist/ArchiveManager.py, line 409, in addArchive (Object: RoleManager) File /home/amos/Trunk/lib/python/Products/NetDist/Archive.py, line 69, in update (Object: RoleManager) File /home/amos/Trunk/lib/python/Products/NetDist/Parse.py, line 56, in parse_meta_data ParseError: (see above)