I had the same issues. All I had to do after i had started the webserver, was to wait a couple if minuts until the webserver had "grab'ed" the lists... I think..
I ticked out the debug button, so I could see what it did,,,wshen it's was done I logged into webinterface as usual
i have dm500 hd receiver, after i update to the new version 2.0.0.4, i notice that in "internet control" mode, when i select the channel from the web, the zap channel is taking more than 1 minute... please advice... i will also keep checking the rest of the functions and ill update you