Allow IE close when band is buzy

From: Ram Shriram (rawdata_at_nospam.com)
Date: 01/12/05 

Date: Wed, 12 Jan 2005 08:20:07 -0800

If my band object is buzy in a long method call, Internet Explorer refuses
to close by clicking on the "X" close button.
What is preventing IE from closing and how can I let it close?