Windows Vista - http://www.vistaarticles.com
Disable Welcome Center
http://www.vistaarticles.com/articles/60/1/Disable-Welcome-Center
By 
Published on 08/20/2006
 
This new welcome screen is a nice feature the first time you start using Windows vista but quickly becomes annoying. 
Disable Welcome Center

1. Start Regedit.

2. Navigate through HKEY_CURRENT_USER, Software, Microsoft, Windows, CurrentVersion, Run.

3. Right click on the WindowsWelcomeCenter key and select Delete.

The next time you restart the Welcome Center will be gone.