Remy,
I am running Arca OS 5.1.
Ok, You have needed rexx dlls to start AVxCAT (the rxutilex is base installed on ArcaOs)
Just add needed additional packages with they prereq if not done yet.
note: 2 hobbesarchive link (ogg & id3v2) where incorrect under my EN web page (ok under FR web page). I updated the page.
Can you provide more information about the issue you have please ?
Or write me using the email link (from AVxCAT or using the given link into the pdf.
I always help to resolve issues found or give attention to any suggestion
Please read my "Note" in the initial message of this thread too.
Regards