what are the unknown tasks when I Send Receive in Outlook

[Guest]

When I click Send/Rec in outlook 2003 sp1 I have the 18 IMAPI folders I have
in my send rec settings but if I cancel the send/rec. I see there are about
20 or more "unknown taks" that were cancelled as well.

what are these "unknown tasks"

 

[Guest]

Here is the error I see when I cancel (I see 12 lines all like the following):

Task 'unknown task' reported error (0x80048002) : 'This task was cancelled
before it was completed.'

 

[Guest]

Can Anyone Help point me in a direction of where to look (in the registry) or
anywhere to figure out what these unknown tasks out look is trying to do when
I click SEND/RECEIVE?

What happens is many times these tasks hang in the background and cause my
PC to not shut down when I click START>TURN OFF COMPUTER!

thanks