You may have deleted some files when you are in super user mode (sudo). The problem here is that when you are using uvunru variants, you can't empty the rubbish bin since the files transported where from a sudo operation. you can't also open the rubbush bin folder even if you opened the file browser through sudo. So to get around this, we erase is through terminal!!! We navigate through the rubbish bin folder through terminal and delete all the contents through the "rm" command. $ sudo rm -rf ~/.local/share/Trash/files/*
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