The burn functionality is meant to burn discs. What you want to do is export a selection of songs to a thumb drive.
Here's a tutorial on how to do that:
How to Export Songs From iTunes to a Thumb Drive | eHow.com
Thanks, the process appears to be very cumbersome bvut workable.
One more issue, How do I convert the ".M4A" format to MP3 ??
iTunes > Preferences > General > Import Settings... > Import Using > MP3 Encoder.I have never seen an option in iTunes to convert to MP3 but having seen the above post looked again. Nothing in the Advanced menu or anywhere else BUT