E: Sub-process /usr/bin/dpkg returned an error code (2) -- whats the problem with this?

Question

error when installing any packages.. pls help.. thanks in advance..

been trying to solve this for days now.. still can't solve it.. Already tried

    $ sudo apt-get update
    $ sudo apt-get upgrade
    $ sudo apt-get autoremove
    $ sudo apt-get clean

etc..

Preconfiguring packages ...
Selecting previously unselected package libglade2-0:amd64.
dpkg: unrecoverable fatal error, aborting:
 reading files list for package 'linux-headers-3.8.0-19': Input/output error
E: Sub-process /usr/bin/dpkg returned an error code (2)