Rumba ODBC driver on Windows 10

For the last couple years I've been using the Rumba ODBC driver to allow an application I wrote to receive and send data to our AS/400 over an ODBC connection. I recently wiped my computer and did a fresh install of Windows 10 (I was previously on 7) and now I can't get the ODBC connection working.

I get an ODBC error message saying "Driver not capable" when my app attempts to use the connection.

I thought maybe the Rumba version wasn't compatible with Windows 10 so I installed a trial version of Rumba 9.4.1 (I was using 9.2) to see if that solved the problem and the error message changed to 'Attempted to read or write protected memory. This is often an indication that other memory is corrupt.'

Is there a specific version I need that works with Windows 10? Or is it possible the setup process is different from 9.2 to 9.4.1?