$ sudo apt-get update
$ sudo apt-get install libcupt4-1-downloadmethod-curl

libcupt4-1-downloadmethod-curl is installed in your system.

Make ensure the libcupt4-1-downloadmethod-curl package were installed using the commands given below,

$ sudo dpkg-query -l | grep libcupt4-1-downloadmethod-curl*

You will get with libcupt4-1-downloadmethod-curl package name, version, architecture and description in a table

libcupt4-1-downloadmethod-curl package basic information: