I've actually found the problem literally minutes ago by using the openvpn client. I was still using the --no-replay flag, which has been deprecated. Removed that from the configs and normal service has been resumed.
Thank you for responding
Since the update (20th May) I cannot connect to either of my OpenVPN Access Servers. I'll not post the full log file in a public forum but I'm seeing the following error: TUN/TAP Device opened Initialization Sequence Completed Assertion failed at C:/Users/paolo/AdroidStudioProjects.......... I don't...