<A target="_blank" href="http://www.davehay.f2s.com/2009/11/wsws7007e-and-wsvr0501e-conflict.html">Dave Hay has been arguing with his software. So far...</A> Well. He got errors WSWS7007E and WSVR0501E from his WAS installation after a seemingly successful update so he's documented the "fix" if you run into the same issue.