You can improve your system performance, boot time and get rid of programs you don't want running in the background by modifying your msconfig to do a Selective Startup.
1. Click Start -> Run.
2. Type msconfig and press Enter.
3. In the System Configuration Utility click the Startup tab.
4.Uncheck programs you don't want to load each time your computer starts.
5. Click OK and restart the computer. You will receive a prompt, just check the box to not receive the prompt anymore and click OK.