Linux Mint 20 Mate 64-bit Beta "Welcome" "First Steps" page ...
Observation: install of "Multimedia Codes" fails with a popup when the button is clicked.
Multimedia Codecs
Additional multimedia codecs are required ... Click the button below to install them:
E:The repository 'cdrom://Linux Mint 20 Ulyana - Release amd64 20200610 focal Release' does not have a Release file.
System: linuxmint-20-mate-64bit-beta.iso LiveMedia system on locked USB thumbdrive. Internet connection is active and working fine.
Linux Mint 20 Mate 64-bit Beta "Welcome" "First Steps" page ... Observation: install of "Multimedia Codes" fails with a popup when the button is clicked.
Multimedia Codecs Additional multimedia codecs are required ... Click the button below to install them:
E:The repository 'cdrom://Linux Mint 20 Ulyana - Release amd64 20200610 focal Release' does not have a Release file.
System: linuxmint-20-mate-64bit-beta.iso LiveMedia system on locked USB thumbdrive. Internet connection is active and working fine.