Here’s how to disable unwanted start up programs:
Step 1- Click the start button and type msconfig into the search box and hit enter. (If you are using windows xp go to Run and type msconfig)
Step 2- You will get system configuration window select the startup tab
Step 3- Go to through the list disabling program you don’t need and unticking the box left of them. The effects would take place next time you start your PC.