The conf files have to be extended with one line:

<?xml version='1.0' encoding='utf-8'?>
<configuration>
<variables>
 <add key="Windows_32BitVersionOnly" value="1"/>
  <add value="1" key="active"/>
  <add value="SDRplay-RSPdx" key="Name"/>
  <add value="EXTIO" key="RcvType"/>

.........