The copies on CD are read-only (by the nature of the CD) - this is what is probably stopping them from opening correctly. Try copying back onto the system, making sure the read-only attribute is turned off - then see if they open.
Dell XPS 13 9370 (2018) review
Creative studio Omnibus' brand identity for We Said Enough, a non-profit against sexual misconduct
What to ask Siri on the HomePod
Meilleurs VPN (2018)