Trying to do sudo apt-get update for ubuntu 20.04 but it shows an error like this:
E: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/focal/main/binary-arm64/Packages 404 Not Found [IP: 185.125.190.36 80]
E: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/focal-updates/main/binary-arm64/Packages 404 Not Found [IP: 185.125.190.36 80]
E: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/focal-security/main/binary-arm64/Packages 404 Not Found [IP: 185.125.190.36 80]
E: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/focal-backports/main/binary-arm64/Packages 404 Not Found [IP: 185.125.190.36 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/focal/main/binary-amd64/Packages 404 Not Found [IP: 185.125.190.39 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/focal-updates/main/binary-amd64/Packages 404 Not Found [IP: 185.125.190.39 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.
I have attached my screenshot of the error. Can anyone please help with it?
My sources.list screenshot enter image description here
/etc/apt => enter image description here
Output of dpkg --print-foreign-architectures enter image description here
