From: Sunnyvale, CA (Unite
Let's see if I can resolve some of the confusion.
Our MP3 or MP3Pro plugins are for both Nero and NeroMix. And when it installs, it should install the NeMP3Enc.DLL file in both the Nero and NeroMix directories.
No new button will appear, it would only allow you to Extract audio from a CD and save to your HD in MP3 or MP3 format, or convert another audio file format such as WAV, VQF, WMA to MP3 or MP3Pro format.
The option should always be there, but without the Encoder, when you attempt to convert to MP3 or MP3Pro, and your 30 time trial period had expired, it pop up a window indicating your Encoder is missing or Expired. With the Encoder installed, this message would no longer appear.
Now your installation proccess indicated that it had installed properly, but when you attempted to use it, it was still indicating that it was missing. So the "Quick Response" I had sent you would have resolved this issue if the Encoder had been installed in the Nero directory, but for some reason had failed to properly install in the NeroMix directory. (Of course if Nero was not on your system then it would not have helped you.)
No Encoder is needed for Nero or NeroMix to take an MP3 or MP3Pro file and write to CD to create an Audio CD, or an MP3 audio CD.