I have gauges that I recompiled into 64 bit, but have been unable to load them using the dll.xml file. I am aware of the 2 different files, and I added my entry to the C:\Users\[user]\AppData\Roaming\Lockheed Martin\Prepar3D v4\dll.xml file. But nothing will load. So I went to the SDK and compiled the Cabin Comfort sample. Added it to the dll.xml file as instructed: <Launch.Addon> <Name>Cabin_Comfort</Name> <Disabled>False</Disabled> <ManualLoad>False</ManualLoad> <Path>gauges\Cabin_Comfort.dll</Path> <DllStartName>module_init</DllStartName> <DllStopName>module_deinit</DllStopName> </Launch.Addon> and it will not load either. Just zero values showing on the panel gauge. Is there something else involved that I don't know about?