Try this:
http://support.microsoft.com/kb/933942/en-us
--
I Bleed Blue and Gold
GO BEARS!
"Roger H. Sirois" <rhs@sirois-engineering.com> wrote in message
news:39D0C004-B22D-4C52-ABC9-D08540AF76FE@microsoft.com...
>I have a IBM T60 laptop with Vista Home Premium. Had the system for about 3
>months mostly without problems. However, for about two weeks, when booting up,
>I get a message that the Windows calendar is not functioning. Any clues on how
>to fix or prevent this message from appearing?