It could be security softewar or spyware issue. Us msconfig to troubleshooting it. These links may help
troubleshooting ie issues
If uninstalling or spyware-remover software don't remove the psyware, you may want to use MSCONFIG plus Task Manger to find the expected spyware, ...
http://www.chicagotech.net/troubleshootingie.htm - Similar pages
chicagotech.net :: View topic - How to run Windows OS with a clean ...
With MSCONFIG, you also can configure a clean boot to disable common startup ... 1) Run MSCONFIG.EXE. 2) In the Services tab, click "Hide All Microsoft ...
http://www.chicagotech.net/netforums/viewtopic.php?t=57
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
Any ideas as to why I can connect to the internet in safe mode but not in
normal mode?