Since it's been 2 years, and there's no hope in Microsoft actually addressing this clusterf**k, here is a more permanent mediafire link to the exe.
H/T to Korayem, but mediafire should be a little more reliable than an unknown dropbox account that could go away at any time.
FXCop is now called code Analysis
Buy premium or ultimate versions of Visual Studio. If you read this link it contains the text
Code Analysis can be found in the Premium and Ultimate editions of Visual Studio 2010.