I know exactly what this problem is. I've had it happen to me as well.
There is an additional data track at the end of the CD, after the audio tracks. It's a mixed-mode CD that you can put into your CD-ROM drive and play with the software included on the CD. The ripper is getting confused by this and is trying to rip into the lead-out area at the end of the last audio track. Depending on how far it gets, it could either be trying to rip a bunch of silence (0 bytes), or it might be reaching into the CD-ROM data track, which would sound like noise if the rip were successful.
As was already stated, you have to go into the ripper's start/end point parameters for that track and reduce its length so that the last track ends at the correct point.
Interestingly enough, the version of Easy CD Creator 4 that came bundled with my drive doesn't have this problem. I've ripped CDs which contained data tracks with ECD4 and not had any problems with the last track.
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Tony Fabris