Possible Duplicate:
How do I figure out what package something is in without resorting to Google?
I am getting the following errors with software center
file does not exist: /usr/share/software-center/softwarecenter/apt/__init__.py
file does not exist: /usr/share/software-center/softwarecenter/db/__init__.py
file does not exist: /usr/share/software-center/softwarecenter/view/__init__.py
file does not exist: /usr/share/software-center/softwarecenter/view/widgets/__init__.py