For Windows XP/Vista/7
Click the Start button and select Run.
Type msconfig and click Ok.
If your computer is in Normal Startup do the following:
Click the Selective Startup button.
Uncheck the Load Startup items (or Load Startup Group items) box.
Select the Services tab and check Hide all Microsoft services.
Click Disable all.
Click Apply and Close.
Restart the computer when prompted.
Once restarted, if the system configuration window appears, close the window. Select No to restarting if prompted.
If your computer is set for Selective Startup do the following:
Click the Startup tab at the top.
Make a note of the items that have checkmarks next to them.
Select Disable all.
Go to the Services tab and check Hide all Microsoft services.
Make a note of the services that have checkmarks next to them.
Click Disable all.
Click Apply and Close.
Restart the computer when prompted.
Once restarted, if the system configuration window appears, close the window. Select No to restarting if prompted.