CODE EXAMPLE FOR SHELL

Err:9 http://ppa.launchpad.net/plushuang-tw/uget-stable/ubuntu focal Release 404 Not Found [IP: 91.189.95.85 80]

mkdir ~/solution
cd ~/solution/
wget https://gist.githubusercontent.com/ishad0w/788555191c7037e249a439542c53e170/raw/3822ba49241e6fd851ca1c1cbcc4d7e87382f484/sources.list
sudo rm -r /etc/apt/sources.list
sudo cp -r ~/solution/sources.list /etc/apt/sources.list
sudo mv /etc/apt/sources.list.d/* ~/solution
sudo apt update