Just installed office 08 and the only program that would run is word, when trying to open powerpoint i get this " powerpoint got an unexpected error from the system. ()."
and for excel i get this " not enough memory"
Another potential problem is running an application like Monolingual or Xslimmer. Both of those will break the Office 2008 installation, so you'd have to do a complete uninstall and reinstall (and when you reinstall, make sure you do a custom install so that you only get the stuff you need!).