Download
Spybot - Search & Destroy. Install it and run it.
When you get to the main screen, in the menu at the top, click on
Mode and select
advanced.
In the menu to the left, you will now see 3 additional catagories: Settings, Tools, and Info & License. Click on
Tools. Click on
System Startup in the menu to the left. Click on the 2 arrows all the way to the right if you don't see a beige-colored window.
When you highlight an item, you can see what it is. These items are what start when you turn your computer on. They may or may not have a description. To disable an item, UNcheck it. If you need help in deciding, you can
Export a log for me to see what you have.