Problem with Ubuntu software center

[taniakurland]

I can't open Software Center, I have ubuntu 12.04 LTS, intel proccessor 64 bit. The error on the right end screen says 'Error: opening the catche (E: Encountered a section with no package: header, E problem with mergeList/var/lib/apt/lists/extras.ubuntu.com_ubunt_dists_precise_main_binary_ i386_packages,E: THe package lists or status file could not be parsed or opened). This usually means that your installed packages have unmet dependencies.

When I click on software center it tries to open and the shut down. I got the computer with ubuntu one already installed in it few weeks ago. Initially the software center worked. Downloaded VLC, Skype and Google Chromium. After that it stoped working. I have no background in ubuntu or in progreming. I had to search what terminal means and how to open it. I appreciate any help with instructin to a very new beginner.

[QIII]

Moved to new thread.

[fantab]

I can't open Software Center, I have ubuntu 12.04 LTS, intel proccessor 64 bit. The error on the right end screen says 'Error: opening the catche (E: Encountered a section with no package: header, E problem with mergeList/var/lib/apt/lists/extras.ubuntu.com_ubunt_dists_precise_main_binary_ i386_packages,E: THe package lists or status file could not be parsed or opened). This usually means that your installed packages have unmet dependencies.

When I click on software center it tries to open and the shut down. I got the computer with ubuntu one already installed in it few weeks ago. Initially the software center worked. Downloaded VLC, Skype and Google Chromium. After that it stoped working. I have no background in ubuntu or in progreming. I had to search what terminal means and how to open it. I appreciate any help with instructin to a very new beginner.

Post the output of:

sudo apt-get update

from the terminal.

[taniakurland]

Many thanks. Wiil do. Tania

[taniakurland]

Hi again,
I am afraid it did not work. I got a long respond and an Error was identified in line 51. This is what I have got "Get:51 http/archive ubuntu.com precise-update/universe translation-er Fetch 22.3 MB in 17s Reading Package lists...Error! W:GPG error:http://archive.canonical.com precise Release: The following signatures were invalid:BADSIG 40976EAF437DO5B% ubuntu Archive Automatic signing key<ftmaster@ubunto.com. W: an error occured during the signature verification. The repository is not updted and the previous index files will be used.
Then it continues on concluding : W:failed to fetch http://extras.ubuntu.com.precise/relese. W:some files failed to download. They have been ignored or old ones used.
So- Any suggestion? Or should I download a new Ubuntu OP via external disc writer/reader (my computer is a netbook with no disc drive). Appreciate any suggestion.

[uzumakifahim]

Try the following commands in terminal

$ sudo -i# apt-get clean
# cd /var/lib/apt
# mv lists lists.old
# mkdir -p lists/partial
# apt-get clean # apt-get update

Source : http://www.ubuntugeek.com/how-to-fix...or-badsig.html

[fantab]

Hi again,
I am afraid it did not work. I got a long respond and an Error was identified in line 51. This is what I have got "Get:51 http/archive ubuntu.com precise-update/universe translation-er Fetch 22.3 MB in 17s Reading Package lists...Error! W:GPG error:http://archive.canonical.com precise Release: The following signatures were invalid:BADSIG 40976EAF437DO5B% ubuntu Archive Automatic signing key<ftmaster@ubunto.com. W: an error occured during the signature verification. The repository is not updted and the previous index files will be used.
Then it continues on concluding : W:failed to fetch http://extras.ubuntu.com.precise/relese. W:some files failed to download. They have been ignored or old ones used.
So- Any suggestion? Or should I download a new Ubuntu OP via external disc writer/reader (my computer is a netbook with no disc drive). Appreciate any suggestion.

You must post the full output with code tags [#] from the editor.

Run the following commands in the Terminal:

sudo rm /var/lib/apt/lists/* -vf
sudo apt-get update

[taniakurland]

this is what I got rm: cannot remove `/var/lib/apt/lists/partial': Is a directory

[taniakurland]

still not working- this is what I have got: $ sudo -i# apt-get clean
sudo: invalid option -- '#'
usage: sudo [-D level] -h | -K | -k | -V
usage: sudo -v [-AknS] [-D level] [-g groupname|#gid] [-p prompt] [-u user
name|#uid]
usage: sudo -l[l] [-AknS] [-D level] [-g groupname|#gid] [-p prompt] [-U user
name] [-u user name|#uid] [-g groupname|#gid] [command]
usage: sudo [-AbEHknPS] [-C fd] [-D level] [-g groupname|#gid] [-p prompt] [-u
user name|#uid] [-g groupname|#gid] [VAR=value] [-i|-s] [<command>]
usage: sudo -e [-AknS] [-C fd] [-D level] [-g groupname|#gid] [-p prompt] [-u
user name|#uid] file ...
tania@tania-1015E:~$ # cd /var/lib/apt
tania@tania-1015E:~$ # mv lists lists.old
tania@tania-1015E:~$ # mkdir -p lists/partial
tania@tania-1015E:~$ # apt-get clean # apt-get update

[taniakurland]

Thank you all so much!!!
I just looked at my Software Center and it is working again. I am not sure which of the suggestions worked in the end. I think it start working again after I re-logged to the computer. Anyway, thank you all, very greatfull and made me want to learn more about ubuntu.