Vista diagnosis and repair function repair can not access the Internet

Windows vista can't be connected to the Internet. Vista has added a new network diagnostic function to the network. When the network cannot connect successfully, the "Diagnostics and Repair" function of the "Network and Sharing Center" can automatically determine the cause of the fault, such as Figure:

If Windows Vista is frequently disconnected from the Internet, you can use the "Lightning Antivirus" feature of Vista AntiVirus to easily remove ARP viruses and various popular viruses, while Vista AntiVirus has a powerful network. Status detection function, check Vista anti-virus partner network status detection.