Why can't json of China Weather Network be opened?

First, the problem of network settings.

This reason is more common when IP, gateway and DNS server networking methods are manually specified and proxy servers are used to access the Internet. Check the computer's network settings carefully.

Second, the problem of DNS server

When IE can't browse the web, you can try to access it with an IP address first. If it is accessible, it should be a DNS problem. The DNS problem may be an error in obtaining DNS during networking, or it may be an error in the DNS server itself. At this time, you can manually specify the DNS service (the address can be the DNS server address provided by the local ISP, or you can use the DNS server address that can be used normally in other places. ) In the network properties, (Control Panel-Network and Dial-up Connections-Local Connection-Right-Click Properties-TCP/IP Protocol-Properties-Use the following DNS server address). Different ISPs have different DNS addresses. Sometimes the router or network card can't connect to the ISP's DNS service. In this case, you can turn off the router temporarily or reset the router.

Another possibility is that there is a problem with the local DNS cache. In order to improve the speed of website access, the system will automatically store the websites that have visited and obtained IP addresses in the local DNS cache. Once you visit the website again, the IP address of the website will be taken directly from the local DNS cache for access without going through the DNS server. Therefore, if there is a problem with the local DNS cache, the website will be inaccessible. You can execute ipconfig /flushdns in Run to rebuild the local dns cache.

Third, the problem of IE browser itself.

When the IE browser itself fails, it will naturally affect browsing; Or IE is maliciously modified and destroyed, which will also lead to the inability to browse the web. At this time, you can try to use "Huangshan IE Repair Expert" to repair (it is recommended to repair in safe mode), or reinstall IE (if you encounter the problem that IE cannot be reinstalled, please refer to: attachment 1 to solve the problem that IE cannot be reinstalled).

Fourth, the network firewall problem.

If the network firewall is not set properly, such as the security level is too high, IE is accidentally put into the blocked access list, and the firewall policy is wrong, you can try to check the policy, lower the security level of the firewall or close it directly to see if it is back to normal.

Five, the problem of network protocol and network card driver

IE can't browse, which may be caused by network protocol (especially TCP/IP protocol) or network card driver damage. You can try renaming the network card driver and network protocol.

There is something wrong with the intransitive verb host file.

If the HOSTS file is modified, it will also lead to abnormal browsing. The solution, of course, is to empty the contents of the HOSTS file.

Seven, the problem of system files

When the system files related to IE are replaced or damaged, it will affect the normal use of IE. At this point, you can use the SFC command to repair it. WIN98 system can perform SFC in "running" and then scan. WIN2000/