Hi whiteWizard This is my /etc/apt/sources.list Copy and past on yours and try again
#deb cdrom:[Trisquel 8.0 _flidas_ - Release amd64 (20180417)]/ flidas main # Trisquel repositories for supported software and updates deb https://archive.trisquel.info/trisquel/ flidas main deb-src https://archive.trisquel.info/trisquel/ flidas main deb https://archive.trisquel.info/trisquel/ flidas-security main deb-src https://archive.trisquel.info/trisquel/ flidas-security main deb https://archive.trisquel.info/trisquel/ flidas-updates main deb-src https://archive.trisquel.info/trisquel/ flidas-updates main #deb https://archive.trisquel.info/trisquel/ flidas-backports main #deb-src https://archive.trisquel.info/trisquel/ flidas-backports main Let me know if works cheers
