IE8 and connectivity probs - cable conn.

Hi Folks

Well, reading thru this and many other forums, one problem that seems to be brought up everywhere, everyday, is some sort of Internet connectivity issue with wireless, and some times even wired connections.
Tonite I had my own brush with this issue and wow...what a weird one this is.

I was on this forum as usual and was opening a link to another page on the forum. It suddenly came up with the "Internet Explorer Cannot Display Page" deal. Well I thought it was just a temp server glitch so I went back to the 1st tab and tried again...again the error page. IT also has this nice Diagnose button so I figured I'd try it. It actually came back and said it found a problem, fixed it, and now this page showed up. I did what I had to do and then tried going back to my original tab only to be greeted by that error page, but this time all of my tabs were also displaying that. So again I treied the Diagnose button but now it said No Problem found..but I had no Internet whatsoever. Now comes the struggle

I checked Network & Sharing center and it showed that my Internet connection was up, and I checked the adapter properties and it properly showed my IP addy so it was ok, but no Internet. I tried my AV program to see if it could update and it dd, so FTP was available but http was not connecting.
I reset my adapter and my lease was renewed fine, IP addy was correct so I started IE again but still nothing. Uninstalled and reinstalled network adater, rebooted, tried again and again but nothing was working and all the while the map in Network center showed I was connected and not in a Limited state or anything.

So now I try my modem, reboot it, no good. I even had my ISP guys ping me and they said I was working fine but do you think I could get Internet connection?
Nope.
Even booted into my Vista install to d'load Google Chrome which I used allot in Vista, but it said it's incompatible with W7, but will allow th install to finish and run. It also came back with no connectivity errors. Device Mgr showed my network adapter working properly. I even tried pinging a web site...npoe but I could ping a known FTP server...uhhh..hmmm.

After a couple hours of doing everything I could think of and all the things I've learned over years of doing this stuff...I finally resolved myself to a Sys Restore. I only have 2 days on this install so I picked a point just 3 hours before this issue began, restored, and now I'm back as if nothing happened.
I checked event viewer and was surprised to see about 60 DHCPv6 errors starting right from the second this install was running. While these are perplexing, they can't be the cause since I had them well before the issue arose. It also showed a few Dhcp lease request denials but again not corresponding to the issue timing. In all I have tons of these DHCPv6 and Dhcp errors but they really don't point to this specific problem I believe.

Something simply caused IE8 to lose all connectivity and nothing I know how to do would get it back, except finally a restore, which tells me squat!
It would seem to methat IE8 is messing the network settings somehow, either that or the Win Firewall (which I have to replace) was somehow to blame even tho it said it wasn't.

What a mess

Hi jet city, and Welcome to the Forum!

Surely I will!
I have an inkling that IE8 was the root of the problem since FTP and the network map still worked and showed connectivity, but I can't be certain. Somthing sure changed in a hurry tho and since a sys restore cured it, it has to be in a file type (probably system file) that is monitored by sys restore and repaired.
I thought maybe the tcpip.sys file was corrupted but then FTP shouldn't have worked either...I think. I haven't examined W7's network stack yet but if it happens again I sure will be.

I just had the same exact problem. I was browsing no where special and all the sudden no internet at all. And it said I was connected! Nothing would connect either. No messengers no nothing! My other computers were still connected also. Nothing I tried would get it to work again. I ended up changing my Lan proxy setting which seemed to have fixed the problem. sfc/scannow showed no problems.

Edit: I believe I may have fixed this by just opening up the X64 version and turning off the proxy server settings which somehow fixed this problem. I don't need to have the proxy turned on in either version and they both work again without it. I'am not sure what the actual fix was but messing with the settings in the 64 bit version of Explorer fixed it for me.

Hey

Well, I know IE8 is still buggier than other areas of W7, and I still have some issues connecting to sites at times. MS knows they have work to do with IE8, I have read where some MS engineers have posted about it's shortcomings and how hard they're trying to get it fixed.
I'm glad that Proxy fix has been a workaround for you guys, I'll have to check this out next time this happens.

Still, I'm impressed with IE8 and I hope they get it stable in the next build.