$ sudo apt-get update
$ sudo apt-get install libcupt3-0-downloadmethod-curl

libcupt3-0-downloadmethod-curl is installed in your system.

Make ensure the libcupt3-0-downloadmethod-curl package were installed using the commands given below,

$ sudo dpkg-query -l | grep libcupt3-0-downloadmethod-curl*

You will get with libcupt3-0-downloadmethod-curl package name, version, architecture and description in a table

libcupt3-0-downloadmethod-curl package basic information: