Does a person earn sin from listening to a channel that contains music after it has been programmed into a receiver from which it has not been deleted, and does one earn sin from working in graphics that contain music when searching for designers for it?

It is permissible to use television or a receiver to watch news and beneficial programs, while avoiding forbidden things such as music and impermissible gazing. However, since these devices are predominantly used for unlawful purposes, one should not assist others in using them. If the aforementioned channel contains music, it is forbidden. If you forgot to delete the channel, there is no sin upon you for what happens afterward, and if someone uses it for forbidden purposes, the sin is upon them, for Allah Almighty says: "And no soul earns [anything] except upon itself, and no bearer of burdens will bear the burden of another." (Al-An'am: 164). Repentance is sufficient to remove the fear of earning the sins of others, and whoever repents from a sin is not harmed by the lingering effect of it. You should invite people to good deeds so you may receive rewards similar to theirs. It is permissible to work in the graphic design profession if it adheres to Islamic guidelines, and it is not permissible to facilitate cooperation in listening to or photographing forbidden content.