Older versions used offline serials or keyfiles. When Pegasys retired activation servers for v5, legal owners couldn’t reinstall. Some users turned to cracks to keep their paid software alive – a grey area legally but an understandable frustration.
The number 5.0.6.38 represents a specific, early build of TVMW5. To appreciate its place in the software's history, we can compare it to other known versions: TMPGEnc Video Mastering Works 5.0.6.38 RePack By MKN.rarl