If your ceertain that your internet connections is
working, then try this:
How to Change the Internet Explorer Initial Start Web Page
When you deploy Internet Explorer in a user-profiled
environment (such as Windows NT or Windows 2000), you may
want to change the initial start page that is displayed
when each user starts Internet Explorer.
http://support.microsoft.com/?kbid=289902 (i. e. 5.
NT4/W2000 10/1/2002)
Your Default Web Browser Startup Page Is Unexpectedly
Changed
When you start your Web browser, your default startup
page (the Web page that your browser automatically opens
to at startup) may be unexpectedly changed.
This behavior can occur if your computer is infected with
the JS.Seeker virus. This Trojan horse program. When
activated, the program changes the default startup and
search pages on your Web browser.
http://support.microsoft.com/?kbid=298048 (W98 8/27/2002)
Cannot Change Default Home Page Setting from Webcombo Site
http://support.microsoft.com/?kbid=302459 (i. e. 4, 5.
W95/98/se/NT4/W2000 6/4/2003)
Home Page Setting Changes Unexpectedly, or You Cannot
Change Your Home Page Setting
When you try to change your home page in the Internet
Options dialog box, you may be unable to type in the
Address box, and the following buttons may be
unavailable: Use Current , Use Default, Use Blank etc...
http://support.microsoft.com/?kbid=320159 (i. e. 5, 6.
W95/98/se/ME/NT4/W2000/XP 8/15/2003)
Internet Explorer Stops Responding or the Home Page Takes
a Long Time to Open
After you connect to the Internet and then try to start
Internet Explorer, the Web page that is set as the
Internet Explorer home page may appear to stop responding
for up to several minutes, or not open at all. Or, the
browser itself may stop responding and must be restarted.
http://support.microsoft.com/?kbid=320162 (i. e. 6.
W98/se/ME 6/4/2003)