> But then when I think it is enough, I click cancel.
> It flashes an instruction
> that "Finishing pending transfers - Select [Cancel]
> to stop now..."...Do I
> really need to click once more the cancel button as
> I saw there seems no
> internet flow in my lan card lights?

When you choose Cancel the program tries to wait to complete any transfers
than are currently in progress.  It may be downloading a page or an image or
anything.

If you don't want to wait you can choose Cancel again and that will abort
those transfers and quickly finish.