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OpenVPN GUI: "No TAP-WIN32 adapters on this system" error fix

Last updated by Shayne M on May 22, 2013 08:38

On some versions of windows, specifically certain build of Windows 7 64-bit or when you have other VPN software installed some clients may experience the following error:

"There are no TAP-Win32 adapters on this system. You should be able to create a TAP-Win32 adapter by going to Start -> All Programs -> OpenVPN -> Add a new TAP-Win32 virtual ethernet adapter."

To resolve this, open notepad as administrator and paste in the following:

tapinstall install OemWin2k.inf tap0901

And save this file to your vpnsecure program directory usually in C:\Program Files (x86)\VPNSecureMe\driver\32\forceinstall.bat or C:\Program Files (x86)\VPNSecureMe\driver\64\forceinstall.bat depending on whether you use 32 or 64 bit windows.

Then just run that batch file as administrator, the correct TUN adapter driver will be installed and the problem will be solved

Alternative 1

You could install the latest version of OpenVPN GUI, which would also force this driver to be installed. Then you can use our application as normal.

http://openvpn.net/index.php/open-source/downloads.html

There is an alternative OpenVPN portable project, that has a different way of installing TAP adapters - http://sourceforge.net/projects/ovpnp/

Alternative 2

You could uninstall this version of our application completely and install an older version that doesn't have this issue : http://vpnsecure.me/files/VPNS_0.9.3.0.exe

Alternative 3

There is a registry key that some users have found interfering with the TAP driver installation. If you're not comfortable  with regedit, please contact our support staff for assistance - you can easily break your pc here!

1. Backup the registry (regedit > export)
2. In start>run>cmd>regedit, browse to the following registry entry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Network
3. Rename the key called Config to Config.bak

After renaming this key, re-run our windows openvpn installer and it should be able to install the TAP adapter this time.


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