Notices just One of Many- Vista Woes

McAfee send a notification about compatibility. They are ensuring to the Vista operators that McAfee security products are working and up to par.
Also Apple ipod issue that that upgrade to Windows Vista shall be delayed.
Below from McAfee:

You may be hearing a lot about Microsoft's new operating system Windows Vista™. If you have upgraded your computer to Vista, or plan to, rest assured that most McAfee® security products are, or will soon be, compatible with this new operating system.

The essential protection you need to help prevent online attacks and identity theft will be transferred to the Windows Vista platform seamlessly. There is nothing you need to do to make your McAfee protection compatible with Vista - as our frequent product updates will do it "behind the scenes" via the Internet.

So if and when you get Vista, you should see no change in your computer's security. You will continue to receive the best online protection from McAfee.

Thank you for trusting McAfee to protect you and your family whenever you power on your computer.

Best regards,
McAfee Inc.