erro em varios pacotes de dados pela centro de programas ubuntu 11.1

[cbinacio]

ola a todos
e muito bom estar aqui
estou em busca de alternativas diferentes... tava cansado do windows....
esse e o meu primeiro contato com o linux...

consegui fazer a instalação tranquilo, mas agora nao consigo baixar quase nenhum pacote do centro de programas no ubuntu 11.1
o erro q aparece la e esse, se alguem puder me ajudar.

installArchives() failed: Selecting previously deselected package freemix.
(Reading database ...
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(Reading database ... 139576 files and directories currently installed.)
Unpacking freemix (from .../freemix_0.2-0ubuntu1_all.deb) ...
Processing triggers for gnome-menus ...
Processing triggers for desktop-file-utils ...
Processing triggers for bamfdaemon ...
Rebuilding /usr/share/applications/bamf.index...
Setting up r5u870-dkms (0.11.3-0ubuntu1~tj~ppa1j) ...
Removing old r5u870-0.11.3 DKMS files...

------------------------------
Deleting module version: 0.11.3
completely from the DKMS tree.
------------------------------
Done.
Loading new r5u870-0.11.3 DKMS files...

Creating symlink /var/lib/dkms/r5u870/0.11.3/source ->
                 /usr/src/r5u870-0.11.3

DKMS: add Completed.
Installing prebuilt kernel module binaries (if any)
Building module...

Kernel preparation unnecessary for this kernel.  Skipping...

Building module:
cleaning build area....
make KERNELRELEASE=3.0.0-12-generic -C /lib/modules/3.0.0-12-generic/build M=/var/lib/dkms/r5u870/0.11.3/build....(bad exit status: 2)
Error! Bad return status for module build on kernel: 3.0.0-12-generic (i686)
Consult /var/lib/dkms/r5u870/0.11.3/build/make.log for more information.
dpkg: error processing r5u870-dkms (--configure):
subprocess installed post-installation script returned error exit status 10
No apport report written because MaxReports is reached already
Setting up freemix (0.2-0ubuntu1) ...
Processing triggers for python-central ...
Errors were encountered while processing:
r5u870-dkms
Error in function:
A instalar r5u870-dkms (0.11.3-0ubuntu1~tj~ppa1j) ...
Removing old r5u870-0.11.3 DKMS files...

------------------------------
Deleting module version: 0.11.3
completely from the DKMS tree.
------------------------------
Done.
Loading new r5u870-0.11.3 DKMS files...

Creating symlink /var/lib/dkms/r5u870/0.11.3/source ->
                 /usr/src/r5u870-0.11.3

DKMS: add Completed.
Installing prebuilt kernel module binaries (if any)
Building module...

Kernel preparation unnecessary for this kernel.  Skipping...

Building module:
cleaning build area....
make KERNELRELEASE=3.0.0-12-generic -C /lib/modules/3.0.0-12-generic/build M=/var/lib/dkms/r5u870/0.11.3/build....(bad exit status: 2)
Error! Bad return status for module build on kernel: 3.0.0-12-generic (i686)
Consult /var/lib/dkms/r5u870/0.11.3/build/make.log for more information.
dpkg: erro ao processar r5u870-dkms (--configure):
subprocesso script post-installation instalado retornou erro do status de sada 10


obrigado a todos desde ja!