Some parasites will do just that.
Also Yahoo! companion. Check them out.
Dealing with Unwanted Spyware, Parasites, Toolbars and Search Engines
http://mvps.org/winhelp2002/unwanted.htm
--
Henri Leboeuf
Web page:
http://www.generation.net/~hleboeuf/index.htm
"Chris" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> I used to be able to open several ie windows when i click the ie
shortcut(or
> use file->new->window). But now when i do so it opens a new window and at
> the same time closes any previously opened windows. Please help me to fix
> the problem, thanks.
>
>