Thank you for contacting us and using our software. To remove de-register the software, please check which epubor software are you using now.
Epubor ultimate, please follow this guide: https://www.epubor.com/epubor-ultimate-user-guide.html
Audible converter, please follow this guide: https://www.epubor.com/epubor-audible-converter-user-guide.html
Any more problem, please feel free to contact us.
