It would also help US if we knew more about your computer. Things like the operating system, processor speed, etc. will help us help you.
In the meantime....
Please follow the instructions in the link below:
For Windows 2000/XP, ignore the first couple of sentences about checking "resources" in the link below but follow the rest of the procedures including the "Services" links at the bottom.
How To Shut Down Unnecessary Start Up Programs
Hope this helps.
How do I remove the auto start programs that are already in the task bar but not remove them from my computer totally? Thanks. Nancy