Hoster 4.20 when released, will fix ALOT of these Batch import issues that we are seeing. We have done a major redo of how the Hard drive files are imported.
Also we just released version 1.22 that does fix some crash issues with converting .kma files to MP3+G. They were mainly under Windows Vista and Windows 7 that I had found the problem with.
You can download it from
here.