HCL Sametime Connect client 11.6 IF3 and Sametime 12.0 Standard Client Updated

When installing HCL Sametime Connect 12.0 client on Windows and Mac platforms, the install does not complete and the following error is reported: Unexpected results have occurred during the provisioning operation For additional information, please refer to the logs: C:\user\username\AppData\Roaming\HCL\Sametime\logs
This is a companion discussion topic for the original entry at https://alichtenberg.cz/hcl-sametime-connect-client-11-6-if3-and-sametime-12-0-standard-client-updated/