1, the simplest way is to restart the computer to try.
2, if you can not login to see is the Ali Wangwang need us to upgrade the latest version, then upgrade it;
3, check the network login, if not online or network instability estimates may also lead to Ali Wangwang can not log in?
4, whether the system needs to be restored to your original normal node.
5, Win7 or above the win system we install the software need to turn off UAC permissions (user Account Control) before you can, otherwise you can install a problem.
6, check Ali Wangwang installation package is the latest version, the current Ali Wangwang 2015.
7, if you install a firewall and antivirus software, it is possible that they are protecting your computer. Please download and install Ali Wangwang after you exit the firewall and antivirus software.
8, the installation of the directory has problems, such as Chinese or have no access to read and write