Disable Unread mail message alert in Welcome Screen in Windows XP

If the unread mail message alert in welocme annoy you this is the way to get rid of this.
Start>run
Type regedit this brings the registry editor
Now navigate to HKEY_LOCAL_MACHINE\Software\MicrosoftWindows\CurrentVersion\UnreadMail
Make a dword value MessageExpiryDays put its value to 0
This will get rid of message expiry alert.