How to disable auto-start applications on windows startup?

Hi friends,
It may be frustrating, if it takes time to start up your computer. The reason behind is that many applications or programs loads automatically when the computer starts. I obviously don’t like this applications because it delays the startup of my computer. So i disable most of the auto-start applications except the anti-virus application.
So by using this tip, you can minimize the startup time of windows XP and Vista. You can disable some Windows optional applications which you rarely use like windows messenger, yahoo messenger, Quick time, Sound Man and many other auto-start up programs that run automatically when you start your computer.
Follow the given steps to disable the windows auto-startup applications:
To use this features, you will need to be logged into your computer with administrative rights.
Click start button and type msconfig in Run option then hit Enter for next.

The pictures are taken from Windows XP

A small System Configuration Utility dialog box will appear with many options like General, System.ini, Win.ini, Boot.ini, Services and Startup.

Now Select Startup tab and uncheck the applications that you want to disable from windows startup.

Now click on Apply button to implement the changes then click on OK button to end the configuration process.

Again close the all programs and restart your computer after any changes to go into effect.