I keep getting this message after I have begun the Logos 5 engine only upgrade. "Error writing to file C:\users\jlane\AppData\local\logos4\System\logos.DeviceServices.models.dll Verify that you have access to that directory. What should I do?
Welcome! Sorry for your troubles. [:S]
I am not a windows user, but I think this article might answer your question: https://www.logos.com/support/logos5/windows/install-issues
More specifically, this article, which that one links to.