The correct version of SFX has a sha1sum of the total zip of 347c0ee66cf120adf5bb9a48f426dc0969e82766
and a sha1sum of the internal sfx.jar of c469e52941d0a121907026b0f2bc5d221a516eab.
Running it has a build ID of:
Release/Built? true Version Identifier: jenkins-SFX-42-42-c6c3c5118c391af8bd0faf54c9713f8e89806c6e
Are these the versions you are running? The most recent version is available at
http://first.wpi.edu/FRC/roborio/mav....11.01-zip.zip