Ok so the expired warning has disappeared however I can't connect as I get ''Unknown'' error, please check log''
Here is the log:
Version Server: 2.2.2
Version Current: 2.2.2
Checking installed tap driver...
ROOT\NET\0000
1 matching device(s) found.
Use port 44358 as management port
Sun Sep 01 22:05:25 2013 OpenVPN 2.3.0 i686-w64-mingw32 [SSL (OpenSSL)] [LZO] [PKCS11] [eurephia] [IPv6] built on Feb 14 2013
Sun Sep 01 22:05:25 2013 NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call user-defined scripts or executables
Sun Sep 01 22:05:25 2013 Control Channel Authentication: using 'C:/Users/Mike/AppData/Local/BolehVPN/cfg/OpenVPN/ta.key' as a OpenVPN static key file
Sun Sep 01 22:05:25 2013 UDPv4 link local: [undef]
Sun Sep 01 22:05:25 2013 UDPv4 link remote: [AF_INET]142.4.216.140:443
Sun Sep 01 22:05:30 2013 [server] Peer Connection Initiated with [AF_INET]142.4.216.140:443
Sun Sep 01 22:05:32 2013 There are no TAP-Windows adapters on this system. You should be able to create a TAP-Windows adapter by going to Start -> All Programs -> OpenVPN -> Add a new TAP-Windows virtual ethernet adapter.
Sun Sep 01 22:05:32 2013 Exiting due to fatal error
[ERROR]vpn connect error, please check log