MacOS users of WebEx may begin to see a warning message when opening a WebEx session.

Cause: Mac OS 10.13.4 is now starting to warn users about applications that use 32-bit architecture, instead of the preferred 64-bit.

Resolution: This is simply a warning message, and by clicking “OK” users can continue using Webex normally.

There is no cause for concern and will only affect users on Mac OS 10.13.4. This is an issue that Cisco acknowledges and is working to fix.

WebEx Screenshot