I tried that out, but nothing chanced.

I just now works flawlessly I changed the port of the windows application on the standart of the client.

Don't know if that was the problem ,but regardless of that the problem seems to be fixed now.

Thanks for your help :)

A Medion 4013 (which is on hardware specs very similar to the Huwai Y300)

- 2x1Ghz + 512 mb Ram

I am currently using Android 4.04.

Thanks for your reply.

I installed the newest version on windows 7 and got the same problem. Here are my logs:

10.08.2013 21:01:18 : No connection found
10.08.2013 21:03:14 : Der Remoteserver hat einen Fehler zurückgegeben: (403) Unzulässig.
10.08.2013 21:03:18 : Mp3Decoder: This is not valid mp3 stream.
10.08.2013 21:03:18 : Stream is closed.
10.08.2013 21:03:18 : Mp3Decoder: This is not valid mp3 stream.
10.08.2013 21:03:18 : Stream is closed.
10.08.2013 21:03:37 : No connection found