Browsers & Apps cannot connect to the Internet

IE, Firefox, and Chrome all report a problem when I try to load web pages. Apps cannot access the internet (for example when looking for updates).

  • IE reports: "cannot display this page".
  • Firefox reports: ' unable to connect - Firefox can't establish a connection to the server... ". »
  • Reports of chrome: "unable to access the network."

I have a NAS on my home network, and even if Windows Networking and Sharing Center can 'see' the SIN, browsers cannot access.

In the command prompt window, I can ping a number of web sites.

It comes to my son the laptop which is an Acer Aspire 7750 G-6645 running Windows 7. The problem has been known on his home wi-fi, my home wi-fi and when it is wired to my router.

I tried the following without success (many of whom are in this troubleshooting thread):

  1. Exact date/time;
  2. Check that the proxy servers are disabled;
  3. Install and run MalwareBytes (no viruses were found, and all the puppies have been quarantined).
  4. Disable Windows Firewall;
  5. Winsock Reset.
  6. Empty DNS;
  7. Specific modification of the DNS server to the IP address settings.

I hope that someone can suggest additional troubleshooting steps.

Thank you

Mike

I could solve the problem.

Norton Internet Security has been altered. Although he was not running, it is somehow preventing Internet connections.

After you uninstall NIS, everything works fine. NIS is now re-installed and everything is working again.

Tags: Windows

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