I had a similar experience (with Win Pro 2K) and found the following to work:
a. select the (single) track to be ripped
b. click on "Browse for a new output folder", select a folder (even if it has already been selected), click OK
c. click "rip"
Reversing a. and b. above, or even not reselecting the output folder, results in no output-file being generated.
Note: the generated file will have no name, so it is *essential* to Rename it, otherwise the process will fail again.
Hope this helps. Cheers