mac os x 10.12.4 upgrade

[CAJUN24]

hello,

after installing mac os x update 10.12.4 this morning, my synergy pro has stopped working.  i have windows 10 as my server (appears to work fine) and mac os x 10.12.4 as client.

 

here is the error I get

2017-04-13T13:35:31] ERROR: failed to verify server certificate fingerprint

[2017-04-13T13:35:48] ERROR: failed to verify server certificate fingerprint

[2017-04-13T13:36:05] ERROR: failed to verify server certificate fingerprint

[2017-04-13T13:36:22] ERROR: failed to verify server certificate fingerprint

[2017-04-13T13:36:39] ERROR: failed to verify server certificate fingerprint

[2017-04-13T13:36:56] ERROR: failed to verify server certificate fingerprint