能上qq不能上网的办法（QQ can not access the Internet approach）.doc

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能上qq不能上网的办法（QQ can not access the Internet approach）.doc

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能上qq不能上网的办法（QQ can not access the Internet approach）

能上qq不能上网的办法（QQ can not access the Internet approach） Can QQ but not the Internet as a problem, caused by a virus infection. This often occurs when IE is opened, and in the lower left corner of the IE screen prompts: the page is being opened, but it does not respond for long time.. See the process in the task manager, (enter the method, put the mouse on the taskbar, right-click, task manager, process) to see how the occupancy rate of CPU, if it is 100%, is sure to be infected Viruses, when you want to run other programs, just suffer. Its important to find out which process greedily takes up CPU resources. When you find it, youd better write down the name and click finish. If you cant finish it, you need to start to delete it in safe mode and enter the registry, (method: start - run, enter regedit) in the registry dialog box, click Edit - find, enter that program name, find, click the right mouse button to delete, and then Search several times, often can completely remove the clean. With a lot of viruses, the only way to do this is to remove them manually. Two, and set up proxy server Some packages, for some reason, set up proxy servers in the browser (control panel, --Internet option - connection - local area network settings - for LAN use) Proxy server) setting up proxy servers does not affect QQ networking, because QQ uses 4000 ports, while access to the Internet uses 80 or 8080 ports. Thats a lot They dont understand why QQ can go up and web pages cant be opened. The proxy server is generally not very stable, and sometimes can, and sometimes can not. If there is this Sample setting, please cancel the agent. Three, the DNS server interprets the error The so-called DNS, that is, domain name server (Domain Name Server), it translates the domain name into the computer can identify the IP address, such as Shenzhen window ) on The IP address is 4, Shenzhen hotline ) and the corresponding IP address is . If the DNS server is out of error, the domain cannot be reached Nam