hemant@HmNt-pc:~$ sudo apt-get remove nautilus-dropbox
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?
hemant@HmNt-pc:~$
This error comes after I input the following command
sudo apt-get remove nautilus-dropbox
Can anyone suggest a way around this, please?