You may also try to reset IE. This how to may help.
How to reset IE
In a case, you have an IE problem such as IE crashing, freezing, reset
IE is one of resolutions. To use Reset Internet Explorer Settings (RIES) in
Internet ...
www.howtonetworking.com/Internet/resetie.htm
--
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
"Shawn" <Shawn@xxxxxx> wrote in message
news:AA93CC28-79BA-44CE-91E0-38F9AF7EBB50@xxxxxx
Quote:
> Hi all,
>
> I have a vista with very strange network behavior. The only application
> that
> could access the network is "firefox". Other applications like IE,
> ftp.exe,
> fillzilla, putty, non of them could connect to the network, they even
> didn't
> send a SYN packet to the network, and just tell you "Connection Refused".
>
> I tried a lot of thing, I could ping the gateway, ping the hosts like
> www.google.com, well, since firefox is working properly, the physical
> network
> must be ok.
>
> I viewed firewall settings, the only firewall is Windows Firewall. I
> enabled
> the logs for it and didn't find any dropped package. There is norton
> antivirus (corp edition) running but I don't think it will affect network.
>
> I also tried wireshark and windows network monitor 3.2. Both could capture
> the network packets from firefox, but cannot capture any network packet
> from
> a simple ftp.exe program.
>
> I also reset the network catalog and tcp/ip stack using netsh. "netsh int
> reset", "netsh winwock reset", but no luck.
>
> Who can give me any clue on this? is it because of some driver? antivirus
> software? tcp/ip filter? thanks.