The Certificate for the ActiveX Control, used for printing and MAPI emailing, expired on February 28, 2015. Under typical situations, any new user will be unable to download this control using the browser. Existing users should not be affected.
Apply this maintenance:
For Web Viewer r12.1
Any CUMULATIVE BUILD 160 or above. Includes a new ActiveX control which will extend the expiration of the certificate to April 2019. You should apply the latest maintenance. See KB000011474 How to locate the latest build (maintenance) for CA Output Management Web Viewer 12.1?
For Web Viewer r11.5
RO92467 PRINT EMAIL CERTIFICATE EXPIRES