Analysis
From the above four examples, there is a common feature is that the 64-bit Internet Explorer can be found, and at first it as infected with the virus or Trojan horse, a variety of toss can not solve. Search on Baidu on the cow's diagnosis: The Svchost.exe process was blocked, Windows 7 communication port initialization failed. (Svchost.exe is the generic host process name for a service running from a dynamic link library (DLL).) And five machines are all using the Win7 64-bit system, using the campus network. Therefore, the suspected failure of the machine should be infected by the Svchost virus or Trojan horse, and so on, and IE browser 64-bit communication port is not through the Svchost.exe process, and thus can be online. Or, in another case, a spontaneous failure of the 64-bit system, which is almost impossible. Due to the lack of familiarity with the process and so on, if there is any mistake, please correct it immediately. Again, the infected five machines exclusively installed free anti-virus software, so suspicion of domestic free security software protection capabilities.
Solutions
1. When the Internet is not available, run the command line as Administrator, and run the following command in the popup window: netsh winsock reset catalog netsh int ip reset reset.log hit (can both be copied and pasted to the control prompt interface)
2, Replace the antivirus software.