help me please update system

Update Manager reports:

E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem.
E: _cache->open() failed, please report.

thereafter:

yosef@yosef:~$ sudo dpkg --configure -a
[sudo] password for yosef:
Setting up bcmwl-kernel-source (6.20.155.1+bdcom-0ubuntu0.0.2) ...
Removing old bcmwl-6.20.155.1+bdcom DKMS files...

-------- Uninstall Beginning --------
Module: bcmwl
Version: 6.20.155.1+bdcom
Kernel: 3.2.0-25-generic-pae (i686)
-------------------------------------

Status: Before uninstall, this module version was ACTIVE on this kernel.

wl.ko:
- Uninstallation
- Deleting from: /lib/modules/3.2.0-25-generic-pae/updates/dkms/
- Original module
- No original module was found for this module on this kernel.
- Use the dkms install command to reinstall any previous module version.

depmod........

DKMS: uninstall completed.

------------------------------
Deleting module version: 6.20.155.1+bdcom
completely from the DKMS tree.
------------------------------
Done.
Loading new bcmwl-6.20.155.1+bdcom DKMS files...
First Installation: checking all kernels...
Building only for 3.2.0-25-generic-pae
Building for architecture i686
Building initial module for 3.2.0-25-generic-pae
Done.

wl:
Running module version sanity check.
- Original module
- No original module exists within this kernel
- Installation
- Installing to /lib/modules/3.2.0-25-generic-pae/updates/dkms/

depmod....

DKMS: install completed.
Segmentation fault

AT THIS PLACE felled INTERNET CONNECTION. After rebooting to recover.