Do not save programs from the old installation, newer versions may have more features/bug fixes. Download the latest versions to your new installation. For every program installed, look in preferences/options/help, so you can control how the programs behaves, i.e. Virus protections, start with windows, check for updates. i.e. Microsoft Office or Openoffice Org, do not start with windows, do not automatically search for updates.
I'm working on going through my programs and looking up how to save progress,
Please watch this video, Julieanne is a bit unorganized, see what you think, > http://tv.adobe.com/watch/adobe-evangelists-julieanne-kost/how-to-migrate-lr-to-another-computer/