This project is dependent on the latest Windows SDK for Windows Vista. You can install it here
Also, you will need to integrate the Vista SDK environment into Visual Studio. This can be accomplished by running the Integrate Windows SDK with Visual Studio 2005 command that is installed by the SDK. Don't forget to elevate to run the command.
Once you have the solution built, RegNamespace.dll will auto register. I decided not to have RegPH autoregister during the build process because it is somewhat labor intensive. This will have to be manually registered "regsvr32 regph.dll" from an eleveated command prompt.