This year the computer suddenly unable to get online. I went to ah. News "Error 2 (net :: ERR_FAILED): Unknown error" error message. Solutions are as follows: on the computer all the webkit browser kernel are spared, but the same updated desktop is normal Internet. The service depends on the TCP / IP protocol in question. Solutions are as follows: 1, Start - Run --regedit.exe, open the Registry Editor, delete the following two keys: HKEY_LOCAL_MACHINE \ System \ CurrentControlSet \ Services \ Winsock HKEY_LOCAL_MACHINE \ System \ CurrentControlSet \ Services \ Winsock2 2, found C : \ Windows \ inf \ nettcpip.inf the files for the tcp / ip protocol file 3, control panel -> network and Internet-> network and sharing Center -> change adapter settings -> local Area connection right -> properties to choose TCP / IPv6-> install -> protocol -> Add -> disk -> Browse and then locate the file path in step 2 nettcpip.inf found in the path, determine and select "TCP / IPv6". Ipv4 protocol for repeating the same operation, and finally select TCP / IPv4, namely: TCP / IPv4-> Install -> Protocol -> Add -> Disk -> Browse and then locate the file path in step 2 in the path, nettcpip .inf and then select "TCP / IPv4". 4, restart the computer. Reproduced, please indicate the survival time from the operation and maintenance: http: //www.ttlsa.com/html/4195.html
Reproduced in: https: //my.oschina.net/766/blog/211279