Popup Message not working?

How come when I right-click on the avast icon next to the clock in Windows XP and the ‘Show last popup message’ is greyed out and doesn’t work? Is my avast not working properly?

Avast! only holds onto the last pop-up until next reboot.

So it would be greyed out normally if you have had no pop-up since then, is that the case?

I didn’t reboot when I noticed it greyed out. Shouldn’t it have given me a message from the last scan it ran? I also tried to re-boot after I noticed it not working. Tried to update virus definitions after re-boot to see if that would give me a popup but it didn’t. Weird.

What Avast! version are you using?