We are aware of an issue in Synergy 1.10.3 where an invalid OpenSSL function is called. This occurs on older versions of Linux, or versions of Linux with an older version of OpenSSL. openssl error: error:140C5042:SSL routines:ssl_undefined_function:called a function you should not call Please open a support ticket if you're experiencing this issue. Note: This thread is a continuation of an earlier locked thread.