How to do WinAPN can not connect to the network under Win7

1, first open win + R open the run window, and enter "ldd; cmd"; enter a command prompt;

2, then execute the following two lines of commands ( This is not case sensitive);
NETSH INT IP RESET
IPCONFIG /FLUSHDNS
3. After execution, log out and log in again or restart the computer.
4, or you can run winAPN as an administrator, winAPN is actually a VPN dial-up software, you can also use win7's own VPN dial-up instead, the setting method is: Start menu - Control Panel - Network and Sharing Center - - Set up a new network and connection - choose to connect to the workspace - use VPN, then enter the IP address, the username and password will be fine, which is more convenient and simple.