Solved Network Problem

[Strimov]

Network Problem - Great Connection With No Internet Access

Hi,

I have rebuilt my computer there a week ago. Yesterday, a freaky problem is appear. I can download updates from Windows Updates, network problem troubleshooter don't find any problem but I can't use any web browser. I have tried Google Chrome, Internet Explorer 32 and 64 bit, but nothing work. I have contact my network provider but no problems are detected. So I have download all available updates but the problem doesn't solved! I can't use any web browser to have an Internet access.

Please, help me to fix this problem.

 

[Layback Bear]

Have you change anything in internet options, if not their are many virus that can do this. If it was my computer I would scans with my anti virus, Malwarebytes Anti Malware, Super Anti Spyware. You can also try this. Start and in the search type hh http://www.microsoft.com/
This should get you to Microsoft sit and you can go anywhere from there. You can from there get you scan programs. Something has made a change to your computer is my thinking.

 

[2xg]

Welcome to SF,

Please check your Browsers for any Proxy Server, remove it if found.
How to Remove a Proxy Server | eHow.com

Make sure that 'Obtain DNS server address automatically' is enabled from your LAN and Wireless configuration.
How to enable DHCP in Windows 7? | Windows 7 Themes

 

[Layback Bear]

2xg good post. I was assuming maybe to much when I read this.
contact my network provider but no problems are detected.

 

[Strimov]

Sorry 2xg but I have followed all the instructions you gave me, but the problem was not solved. I run Windows 7 Ultimate and I have downloaded a new language pack from Windows Updates. After a quick restart of my computer, the problems have began. I have recently buy Avast! Internet Security, I can't believe that the problems are related to a virus... Windows Updates is supposed to be safe.

 

[2xg]

Did you run Avast and pick some virus?

I have recently buy Avast! Internet Security, I can't believe that the problems are related to a virus... Windows Updates is supposed to be safe.

Do some tests please:

Restart your computer, Tap F8 and select Safe Mode with Networking, are you able to browse here?

Also, logon as a difference User, create one if needed. Control Panel=> User Accounts. See if you can connect as a different User.

 

[Strimov]

Yes, sometimes. He warn when unknown or unsafe program try to install and block all pop-ups. Give me a minute I will try that.

 

[Strimov]

I have press 100 times on the F8 button but nothing appears. I have a Gateway computer. This button can change with a different computer? I tried on two different session's but the problem remains. I can download updates from Windows Updates but i can't access to internet on Chrome or on Explorer.

 

[Layback Bear]

Well I think it can be a virus or some such thing. Have you run and scans with Avast. Are you wired or wireless to the internet. If wireless I would try wired.

 

[Strimov]

I'm connect with the Local Area Connection. Have you some alternative to remove this virus? When I try to connect to internet this error message appear:

Error 102 (net::ERR_CONNECTION_REFUSED): Unknown error.

 

[2xg]

Layback Bear has previously suggested for you to either run Malwarebytes or SuperantiSpyware, have you done this yet? There's no need to post the logs.
Also, pls verify again that you are not using any Proxy server.

I'm connect with the Local Area Connection. Have you some alternative to remove this virus? When I try to connect to internet this error message appear:

Error 102 (net::ERR_CONNECTION_REFUSED): Unknown error.

 

[Strimov]

I have uninstall my antivirus then the internet work great. Them! What happening? My antivirus can block the internet access?

 

[2xg]

Affirmative!

I have uninstall my antivirus then the internet work great. Them! What happening? My antivirus can block the internet access?

 

[Strimov]

Thank you guys for your help! Pretty good support, very helpfull.

 

[Layback Bear]

Your LAN settings should have auto detect checked. Down load and update MAM AND SAS from another computer on a thumb stick is normally the eases way.
http://www.bleepingcomputer.com/download/anti-virus/rkill
This is another great little program. I turns off the virus so you can run your scans.

 

[Strimov]

That what I have does. With the home group. Thank's for all!

 

[Layback Bear]

Many of use here use MSE and the built in Windows 7 firewall. I still recommend running MAM amd SAS free. They are stand alone programs that only run when you ask them to. Therefor it's your job to keep them updated. They do nothing until you tell them to. No one program does it all so many of us use a layered security.

 

[Strimov]

I will try that. Thank's for the council.

 

[Layback Bear]

Your welcome all those programs are free.