Updating in Update Manager shows "Progress" in Ubuntu Software Center

[Vish]

Ubuntu Software Center 3.0.5, Ubuntu 10.10
Ubuntu Software Center 4.1.22, Ubuntu 11.10 beta 1

1: Have USC open in the background
2: Install updates in Update Manager

What happens: The "Progress" item appears in USC, with the ability to cancel the updates.

What should happen: Only tasks triggered from USC in particular should be shown in USC's "Progress" screen.

I was browsing Software Center, when Update-manager popped-up with an Update notification.
Selected to install the updates, and after entering the policy-kit authentication, update was continuing in the update-manager.

Now I notice that Software Center is also set as "In Progress" and it shows a "Downloading", etc.. with an option to "Cancel" !
I dint know what i had chosen to install or remove and had no clue what i may have done accidentally.

It took a few mins to realize that it was the updates in UM which is being registered in SC as "In progress" .
I could only guess this since I knew both SC and UM are using apt-daemon.
I would expect it to be more confusing to someone who had no clue about how SC or UM work.