Unable to sign in to the CONNECTION Client 11.x or newer version on Windows 7 machine.
You are presented with the following error:
Important: CONNECTION Client is no longer being tested on Windows 7 PCs because Microsoft no longer supports that version of the operating system. New CONNECTION Client versions going forward require Windows 8.1 or later.
If you are unable to upgrade to a Microsoft-supported OS and using Windows 7, downgrade the CONNECTION Client to version 10.00.19.31. See Windows 7 End of Support - Microsoft 365
CONNECTION Client Release Notes