After a successful download and upgrade at the server, from 15.1Update6, to 15.1Update7, the workstations TS-Main failed to start, with the following:

A newer version of Sage 300 Construction and Real Estate has been installed on the server. You must update Sage 300 Construction and Real Estate on your workstation before you can continue.  STOAccounting Server Version: 15.1.38.10.0, workstation Version: 15.1.39.18.0.

Click OK to have Safe Installation Manager check for new updates. If you receive this message again, you can install the update manually. Manual updates are available from an email notice or in the knowledgebase. If you are not the person who performs Sage 300 CRE updates, please notify the responsible person.

Select Cancel to update Sage 300 CRE later. You cannot use Sage 300 CRE until you perform the update.