deepak@ubuntu:~$ sudo apt-get -f install
[sudo] password for deepak:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following extra packages will be installed:
  libqtcore4:i386
The following NEW packages will be installed:
  libqtcore4:i386
0 upgraded, 1 newly installed, 0 to remove and 72 not upgraded.
18 not fully installed or removed.
Need to get 0 B/2,064 kB of archives.
After this operation, 9,042 kB of additional disk space will be used.
Do you want to continue [Y/n]? y
(Reading database ... 204395 files and directories currently installed.)
Unpacking libqtcore4:i386 (from .../libqtcore4_4%3a4.8.1-0ubuntu4.4_i386.deb) ...
dpkg: error processing /var/cache/apt/archives/libqtcore4_4%3a4.8.1-0ubuntu4.4_i386.deb (--unpack):
 conffile './etc/xdg/Trolltech.conf' is not in sync with other instances of the same package
dpkg-deb (subprocess): subprocess data was killed by signal (Broken pipe)
dpkg-deb: error: subprocess <decompress> returned error exit status 2
Errors were encountered while processing:
 /var/cache/apt/archives/libqtcore4_4%3a4.8.1-0ubuntu4.4_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)