Why does the computer fly on the landing does not go up?

Failure Analysis: The user's network firewall restricts access to the server's requests. The second is that the user did not open the login 80, 443 or 8080 port.

Workaround:

First again confirm that the user entered the username and password is correct, because the regular can be due to the effect of landing does not go up.

Then in the open Windows Firewall, in the firewall above will fly to the limit, you can put the firewall to temporarily shut off. This can be landed on the fly, will be landing on the port can be opened. As shown in the figure:

Computer knowledge

Second check whether the computer will be poisoned, but the solution is very simple, with anti-virus software to kill the computer can be.

The end may be the user's network speed itself is very slow, because with routers above the LAN is occupied by others a lot of speed caused the user's computer speed instability. This appears to fly a letter or other QQ landing does not go up the situation. The solution is to increase broadband.

But the above methods can not solve the problem, the installation of a letter. The previous letter to unload off, so hope to help you solve the problem.