If you have problems installing Homeworld 2 on machine that is below minimum spec, use the following steps to attempt to work around the problem. THIS IS UNTESTED, AND UNSUPPORTED (except on the forums). By following the steps posted here, Relicnews.com, Relic, and Sierra are not accountable for what may happen to your system as a result of this file, or running the game below minimum spec. If Sierra finds out you've got the game installed on a below min spec machine, they will not be able to support you.
First, download this file. (Additional Download URLS in here).
Second, copy the install CD to your HDD.
Third, from the downloaded zip file, extract the DLL that's included, and replace the existing file (in the CD Copy directory) with the one from the zip file.
Fourth, try to install the game from that directory.
AGAIN, IF YOU HAVE TO USE THIS TO INSTALL THE GAME, YOU ARE BELOW MINIMUM SPEC AND HAVE NO RIGHT TO COMPLAIN ABOUT HOW THE GAME PERFORMS.