Network users often face such a problem when some sites in the browser do not open when working with PCs(Mozilla Firefox, Opera, Safari, Google Chrome, Internet Explorer and Others). Maybe earlier this site worked and opened, and now, for an unknown reason, stopped. Or you visited the site for the first time, and it fails to open it. Why does this happen and what should be taken in such cases?
Causes and ways to solve the problem:
1. Proxy settings are installed incorrectly.
In order to find the window you need is necessary in the menu " Start»Find the icon" Control Panel"And go to it. Then choose in the menu "", follow in subparagraph " Connections"And click on the option" Network configuration».
If you use a proxy server, specify the correct parameters. If the PC for home use, usually this option is disabled (there should be no tick opposite item " Use a proxy server for local connections»).
2. Sites do not open due to blocking in the hosts file.
Also is a common reason when viruses in Hosts files make some sites' addresses without your knowledge, which are then automatically blocked. To search for this file, you need to perform the following steps: through the option " Start»In the window that appears, we drive a combination % Systemroot% \\ System32 \\ Drivers \\ etc and confirm the actions by clicking OK" Then the window will open where you need to select item. hosts.which opens with a notepad (left-click on the file, a list of programs through which you can open the document, select " Notebook»).
If you found in the HOSTS file below localhost."Something like websites addresses (for example, as in the picture above VKontakte site) - delete them. Save all settings and now you can closed. The problem with Hosts files must be solved. If still sites do not open, we recommend the following steps: click Start, in Vbeit " cmd.", and then in the new command line" route -f."Now reboot your computer and try to start the site again, it should be possible.
3. Sites do not open due to the virus.
The search for manually viruses is ungrateful and time consuming. In this case, we recommend that you install a new antivirus (downloaded from the official site), then reinstall the browser itself (the old one could suffer greatly from the viruses) and the new antivirus the entire system, as well as clean it.
4. Anti-virus or firewall blocks the work of the browser.
You need to turn off the firewall: in the start type " Firewall", Choose" Windows Firewall", And click on the option in the left corner of the window" Enabling and disable Windows Firewall", Turn off the firewall.
