Mihai081 0 Posted February 2, 2017 Hallo I am useing lenel and Onguard 7.0 with truevision NVR tvn 21p. Since yesterday I have an error message like one in the attachement. If I restart the server or the client pc where truevision player is installed the error message is no longer displayed. So what seems to be the problem? Share this post Link to post Share on other sites
