Ubuntu не может соединиться с центром программного обеспечения?

Вот моя команда:

hanlu@hanlu-VirtualBox:~/Desktop/test$ sudo apt-get install gcc
[sudo] password for hanlu: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
gcc is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 185 not upgraded.
3 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? y
Setting up update-notifier-common (0.134) ...
/var/lib/dpkg/info/update-notifier-common.postinst: 25: /var/lib/dpkg/info/update-notifier-common.postinst: /usr/lib/update-notifier/package-data-downloader: not found
dpkg: error processing update-notifier-common (--configure):
 subprocess installed post-installation script returned error exit status 127
dpkg: dependency problems prevent configuration of ttf-mscorefonts-installer:
 ttf-mscorefonts-installer depends on update-notifier-common (>= 0.119ubuntu2); however:
  Package update-notifier-common is not configured yet.

dpkg: error processing ttf-mscorefonts-installer (--configure):
 dependency problems - leaving unconfigured
Setting up software-center (5.6.0-0ubuntu2) ...
No apport report written because the error message indicates its a followup error from a previous failure.
                          /var/lib/dpkg/info/software-center.postinst: 8: /var/lib/dpkg/info/software-center.postinst: pycompile: not found
dpkg: error processing software-center (--configure):
 subprocess installed post-installation script returned error exit status 127
Errors were encountered while processing:
 update-notifier-common
 ttf-mscorefonts-installer
 software-center
W: Duplicate sources.list entry http://ppa.launchpad.net/tualatrix/ppa/ubuntu/ maverick/main amd64 Packages (/var/lib/apt/lists/ppa.launchpad.net_tualatrix_ppa_ubuntu_dists_maverick_main_binary-amd64_Packages)
W: Duplicate sources.list entry http://ppa.launchpad.net/tualatrix/ppa/ubuntu/ maverick/main i386 Packages (/var/lib/apt/lists/ppa.launchpad.net_tualatrix_ppa_ubuntu_dists_maverick_main_binary-i386_Packages)
W: You may want to run apt-get update to correct these problems
E: Sub-process /usr/bin/dpkg returned an error code (1)
hanlu@hanlu-VirtualBox:~/Desktop/test$ ./project1
bash: ./project1: No such file or directory
hanlu@hanlu-VirtualBox:~/Desktop/test$ ./project1.o
bash: ./project1.o: cannot execute binary file
hanlu@hanlu-VirtualBox:~/Desktop/test$ gcc
gcc: fatal error: no input files
compilation terminated.
hanlu@hanlu-VirtualBox:~/Desktop/test$ sudo apt-get install gcc
Reading package lists... Done
Building dependency tree       
Reading state information... Done
gcc is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 185 not upgraded.
3 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? y
Setting up update-notifier-common (0.134) ...
/var/lib/dpkg/info/update-notifier-common.postinst: 25: /var/lib/dpkg/info/update-notifier-common.postinst: /usr/lib/update-notifier/package-data-downloader: not found
dpkg: error processing update-notifier-common (--configure):
 subprocess installed post-installation script returned error exit status 127
dpkg: dependency problems prevent configuration of ttf-mscorefonts-installer:
 ttf-mscorefonts-installer depends on update-notifier-common (>= 0.119ubuntu2); however:
  Package update-notifier-common is not configured yet.

dpkg: error processing ttf-mscorefonts-installer (--configure):
 dependency problems - leaving unconfigured
Setting up software-center (5.6.0-0ubuntu2) ...No apport report written because the error message indicates its a followup error from a previous failure.

/var/lib/dpkg/info/software-center.postinst: 8: /var/lib/dpkg/info/software-center.postinst: pycompile: not found
dpkg: error processing software-center (--configure):
 subprocess installed post-installation script returned error exit status 127
Errors were encountered while processing:
 update-notifier-common
 ttf-mscorefonts-installer
 software-center
E: Sub-process /usr/bin/dpkg returned an error code (1)
hanlu@hanlu-VirtualBox:~/Desktop/test$ sudo apt-get install build-essential
Reading package lists... Done
Building dependency tree       
Reading state information... Done
build-essential is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 185 not upgraded.
3 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? y
Setting up update-notifier-common (0.134) ...
/var/lib/dpkg/info/update-notifier-common.postinst: 25: /var/lib/dpkg/info/update-notifier-common.postinst: /usr/lib/update-notifier/package-data-downloader: not found
dpkg: error processing update-notifier-common (--configure):
 subprocess installed post-installation script returned error exit status 127
dpkg: dependency problems prevent configuration of ttf-mscorefonts-installer:
 ttf-mscorefonts-installer depends on update-notifier-common (>= 0.119ubuntu2); however:
  Package update-notifier-common is not configured yet.

dpkg: error processing ttf-mscorefonts-installer (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                          Setting up software-center (5.6.0-0ubuntu2) ...
/var/lib/dpkg/info/software-center.postinst: 8: /var/lib/dpkg/info/software-center.postinst: pycompile: not found
dpkg: error processing software-center (--configure):
 subprocess installed post-installation script returned error exit status 127
Errors were encountered while processing:
 update-notifier-common
 ttf-mscorefonts-installer
 software-center
E: Sub-process /usr/bin/dpkg returned an error code (1)