I have what seems to me an odd issue. I have a large mp3 collection and I periodically will sync the collection between external drives. Lately I have been getting an error message (something) to the extent of "cannot read from the source disk". I have done a bit of detective work and discovered the offending file (or files) is (are) in a particular folder (there are about 1400 files in the folder). I am able to use XYplorer to copy the folder from the source drive to the 2nd drive without issue. Once I have copied the folder if I run the sync program again it will successfully sync the balance of the collection. Is it possible, or likely that the problem is with the sync program itself? Or is a particular file(s) likely to be the culprit and if so how can I identify the file(s)?