Hold the Windows key and press the letter 'R' to open the Run window.
In the Run window that appears, type 'msconfig' (without the quotes) and click 'OK.'.
In the System Configuration window, click on the 'Startup' tab.
Click the 'Disable all' button.
Click on the 'Services' tab.
Click on the checkbox next to 'Hide all Microsoft services', which will remove all of the Microsoft services from the Services list.
Click on the 'Disable all' button and click 'OK.'
You will be prompted to restart the computer, which you should do before proceeding.