software center downloads

i cnat download anything from software center and when i try apt-get update i get this
"(precise)matt@localhost:~$ sudo apt-get update
E: The method driver /usr/lib/apt/methods/https could not be found.
E: The method driver /usr/lib/apt/methods/https could not be found.
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?
(precise)matt@localhost:~$ apt-get update
E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied)
E: Unable to lock directory /var/lib/apt/lists/
E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?
(precise)matt@localhost:~$
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