Sounds like the onenoteM.exe process shut down.

Try this - click tools \ options \ other
The top checkbox there should be Place OneNote icon in the taskbar.
Toggle it off and then back on and click OK
Now try Windows + S


--
Sorry for the problems,
John Guin
OneNote Test Team
http://blogs.msdn.com/johnguin


"Mike" wrote:

>
> I should have mentioned that I'm using a Gateway Laptop with XP.