Sage Error: “This Company was created in a version that cannot be converted to this version of the software"

Summary: May display Error: "For best performance, install Sage 50 on [Computer Name] or the computer that access Sage 50 most often," even when Sage 50 is installed on a standalone computer. “Sage Error: “ This Company was created in a version that cannot be converted to this version of the software " Cause: · Program isn't backwards compatible · Antivirus software program blocked the laptop update · A restore became run at the Sage 50 application and the Service Release became now no longer reinstalled · Service Release set up on server and now no longer the laptop · Newer model of Sage 50 has been set up at the server and the laptop is the use of a decrease launch of Sage · Malware has broken the Version.txt file · ...