Network Problem

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  1. Strimov
    Posts : 9
    Windows 7 Ultimate x64 SP1
       New #1

    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.
      My Computer
    Quote Quote

  3. Layback Bear
    Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       New #2

    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.
      My Computer
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  4. 2xg
    Posts : 2,377
    Win7 & Win8 64bit
       New #3

    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
      My Computer
    Quote Quote

  6. Layback Bear
    Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       New #4

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

  7. Strimov
    Posts : 9
    Windows 7 Ultimate x64 SP1
    Thread Starter
       New #5

    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.
      My Computer
    Quote Quote

  8. 2xg
    Posts : 2,377
    Win7 & Win8 64bit
       New #6

    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.
      My Computer
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  10. Strimov
    Posts : 9
    Windows 7 Ultimate x64 SP1
    Thread Starter
       New #7

    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.
      My Computer
    Quote Quote

  11. Strimov
    Posts : 9
    Windows 7 Ultimate x64 SP1
    Thread Starter
       New #8

    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.
      My Computer
    Quote Quote

  12. Layback Bear
    Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       New #9

    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.
      My Computer
    Quote Quote

  13. Strimov
    Posts : 9
    Windows 7 Ultimate x64 SP1
    Thread Starter
       New #10

    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.
      My Computer
    Quote Quote

 
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