Click start>run. Type msconfig. Click startup tab. Everything checked here is running in the background when you start your computer and using up RAM. If you remove the checks your box will run better. To know which ones are safe to uncheck go to
http://www.answersthatwork.com/and click on their task list.
Or try
http://www.greatis.com/regrun3appdatabase.htmGreatis Startup Application Database