atabord wrotetrying to setup OpenVPN ver 2.3.2
I suggest you start by using the current release V2.3.4-i003-xxx :: Do not use i603 as there is a known bug in the TAP driver.
http://openvpn.net/index.php/download/community-downloads.html
atabord wroteI have made sure that the openSSL version was for x64 also the c++ redistributables were x64
You should not need to do any of this, try EasyRSA3-rc2
https://github.com/OpenVPN/easy-rsa/releases