Uncheck any programs you don't what to start when you turn on the
computer. You won't know what some items are, but if you look at
the text under "commands" and "location" you may get a clue. It is
easy to put these back in by repeating the above steps and check the
box.
After you restart your computer you'll be alerted that the
configuration was changed. Click the box so you won't be reminded
again and click ok.