Let's take a look at some of the questions that are summarized below to see if you have not.
1, secondary Logon service if it is not open will not be installed, view the method: Right click on the desktop computer, and then click on the pop-up menu "management" and then find the management window to the left of the "services and Applications"-"services" and then on the right to find "secondary Logon" Look at the boot. (If you don't see something on the left we click on the "standard" below);
2, delete the computer Battle.net folder;
3, if we install anti-virus software or application/firewall, we first exit;
4, Safe mode installation;
5, optimize the network connection;
6, update Adobe Flash play;
7, clean up the registry (try to clean up the registry redundancy by other tools)
On the desktop we press the Windows key + R, type the Inetcpl.cpl effect as shown below to determine
In the pop-up interntet window we click on the tab
After we set up on the LAN
Look at our LAN usage Proxy server is not selected, if it is canceled. If not selected, select Automatic detection settings. If you have already selected, deselect. If it is not selected, select it.
Okay, now let's see if we can install it.