Looks like MC automagically resets the 'download folder' for the AmazonMP3 Downloader application every time the general "File Location" folder is changed from within MC.
This is either a bug, or an "unintended feature", and caused me to unintentionally delete several purchased files from Amazon until I figured out what was going on.
The challenge or problem is that MC doesn't notify the user at any step that such a change is taking place. For those of us who may use several media programs, and purchase our Amazon MP3s directly through Firefox, this causes unintended problems.
For instance, I set my download location from the AmazonMP3 Downloader folder to be "Amazon MP3" in my music folder. I have a different folder for personally ripped or converted files.
When I am testing the impact of various enocders or settings, I change the file location within MC so that files are not overwritten and are cataloged in an appropriate folder (i.e. CBR 320, VBR, CBR 256, secure, etc).
Since MC didn't notify me that it breaks Human Interface Guidelines and changes another program's option settings, when I purchased some files, they were downloaded into one of those test folders.
Since they show up in MC due to Auto-Import in the background, there's no knowledge of where they are located. Which causes surprise, confusion, and frustration when I deleted the test conversion folders, which then permanently deleted my purchased files.
May I humbly recommend that you either provide a check-box to request permission for MC to reset the download folder setting for an outside application, or to refrain from doing so?
TR