To be honest i was planning on saying this:
"I don' want to break my computer Sam"
But it's finally helping thread
I'll thank him and rep him just for being better.
that's as far as everything goes
this service indexes new things and adds them to the spotlight search (or whatever vista and win7 call it) so that you can find new programs and files more easily.
removing this process will make new files and programs not show up in the search feature.