I've been using Tag&Rename 2.1 for 1.5 years to rename 6,000+ songs. New versions seem buggy

They have version 2.1.7.4 on their website for download. Is this one OK?

cheers, Thomas
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cheers, Thomas new owner of the MK1 00123 MK2 12GB 090000815 (my first one) MK2a 040103735 (from 303) and ???