Solve the problem of OpenVPN

Initially Win7 installed tap-windows Virtual ethenet Adapet, but only one local connection can be opened, and the re-addition of the tap window Adapater failed.
Then the web said after the uninstall and then install, I put this device driver to TM Unloading, the results can no longer be installed.

TMD in the company's Win7 computer can be added normally .....

Then found an old version of the OpenVPN, download link can not rely on the Win7 system's tap adapter software to open a local connection,
But why can't I open multiple, ...

Solve the problem of OpenVPN