Microsoft Portable Fixit Utility
Microsoft has produced several Fixit executable files that solve particular issues such as audio playback. A new portable version has been released that includes multiple solutions. The initial installer can be found at:
http://go.microsoft.com/?linkid=9775982
Below are some of the screens during the installation. The initial installer application will ask for a destination path, and then download the rest of the components.
If the final executable is launched, a main menu should appear with the various options that can be used.