If you are trying to connect to SQL Express/Server for the first time and the system just brought you here - it is very likely that you need to update a component (SQL Server Native Client) on your computer (the computer running Treasury Software).
Note: Updating your SQL Server Native Client may also be required if your network requires TLS 1.2.
Please close Treasury Software, if not already closed.
Download / install SQL Server Native Client on the computer running Treasury Software
Instructions for installing SQL Server Native Client.
Double click on the file sqlncli.msi.
Accept the license agreements and all defaults..