Thus far DVD copying is far from perfect too (but CD copying seems ok for me at least). Often the best thing to do is convert your DVD files to another format and burn to cd.
The latest version of Nero will burn DVDs for you if you wish.
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
Comment envoyer gratuitement des gros fichiers ?