This DVD5 ISO image file contains the security updates for Windows released on Windows Update on April 10th, 2007. The image does not contain security updates for other Microsoft products. This DVD5 ISO image is intended for corporate administrators who manage large multinational organizations, who need to download multiple individual language versions of each security update and who do not use an automated solution such as WSUS. Use this image to download multiple updates in all languages at the same time.
Caution: Be sure to check the individual security bulletins at http://www.microsoft.com/technet/security prio ... more

Features (From the Microsoft Connect website) :
* Sign-in and messaging in multiple locations - You asked for it, now you have it! You can now sign into Messenger from more than one computer at a time, up to four at once. Simply sign into Messenger from one computer, install Messenger on another computer and sign in using the same account. (Only works if all computers are running Messenger 9.0 Beta. Currently enabled only for users whose Windows Live ID country is US or Canada.)
* Signature sounds – Pick your own personal sound that your contacts will hear when you sign into Messenger (only works if you and your contacts have Me ... more