upgraded to v19.4 and unable to read from .myo file

We have upgraded to AccountRight Premier v19.4 from v19.3 and now I am no longer able to connect using ODBC

The error I get is 

ERROR [IM002] [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified

I have removed the old ODBC drivers and installed the new ones which I found under C:\PremierClassic\ODBCDirect10 (see attached picture)

I have tested the connection using the testconnection.exe using exact same params (see attache picture)

This is the connection string I use 

"Driver={MYOAU1001};TYPE=MYOB;UID=Administrator;PWD=topsecretpassword;KEY=C:\MyobKeyFile\1234567890.key;DATABASE=c:\myob\Paname.myo;HOST_EXE_PATH=C:\PremierClassic\Myobp.exe;NETWORK_PROTOCOL=TCPIP;DRIVER_COMPLETION=DRIVER_NOPROMPT;ACCESS_TYPE=READ;SUPPRESS_WARNINGS=TRUE";

Any ideas?