Some Windows Vista computer users become annoyed with the startup of Microsoft Narrator but are helpless to figure out the way to turn this startup off.
Step 1

Go to the Control Panel, which can be located by clicking Start>Control Panel (on the second column).
Step 2

Select Ease of Access to enter the Ease of Access Center.
Step 3

Click Optimize visual display which is familiarized with the tagline "Make the computer easier to see".
Step 4

Uncheck the boxes for Turn on Narrator and Turn on Audio Description under Hear text and descriptions read aloud.
Step 5

Click Save and close the Control Panel. After restarting your computer the Microsoft Narrator will no longer voice.