i need help - in ubuntu 10.10

[pepo_007]

this my first thread in this forums
i used windows 7 but now i'm change to Ubuntu 10.10
but i have problem when install any program from ubuntu software center it's show this message

http://upload.123arab.com/get-10-2010-mkd6lfqh.png (http://upload.123arab.com)

what that mean ?

[user333]

I'm not sure what it means, but do you have any important files on your computer? If you do, I'd get them off the hard drive, and then reinstall ubuntu if it isn't too much of a pain. Or possibly, your ubuntu CD or DVD was bad. If that is the case, re-download it.

[pepo_007]

i'm install this version by usb
i think it's install Minus
i will try again install ubuntu

[mhmdfoss]

hi mr pepo
you can try this in command line

1-
sudo apt-get update

then

sudo apt-get upgrade