Error downloading package

E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)

E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?

Solution:

sudo rm -rf /var/lib/dpkg/lock

sudo rm -rf /var/cache/apt/archives/lock 

sudo rm -rf /var/lib/apt/lists/lock