=> Does this behavior persist if you start IE7 in No Add-ons mode? To start
IE7 in No Add-ons mode:

1. Right-click on the blue IE desktop icon and select Start without Add-ons;

2. Start > (All) Programs > Accessories > System Tools > Internet Explorer
(No add-ons).

More:

Troubleshooting and Internet Explorer’s (No Add-ons) Mode:
http://blogs.msdn.com/ie/archive/2006/07/25/678113.aspx

=> Does the problem persist if you Reset IE7 Settings (RIES)?
http://support.microsoft.com/kb/923737 <= Read before using!
--
~Robear Dyer (PA Bear)
MS MVP-Windows (IE, OE, Security, Shell/User)
AumHa VSOP & Admin; DTS-L.org

CarynMelbourneFLA wrote:
> I have a Windows Vista and IE7. All the sudden, when I try and close out
> of
> a IE window, I get a message saying that "Internet Explorer has stopped
> working." Then it says that it's trying to resolve the issue and then it
> restarts. Is there a way to fix this, so when I go to close out, it will
> close and not error out and restart?
>
> Is anyone else having this issue?
>
> Any help would be greatly appreciated!