проблема в установке wireshark на Ubuntu 12.04

Я пытался установить wireshark на Ubuntu 12.04, но я получил

iqbal@iqbal-HP-ProBook-4530s:~$ sudo apt-get install wireshark
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 wireshark : Depends: wireshark-common (= 1.11.4+svn20140420104827~d0489f2a-0ubuntu1~precise1~ppa0) but it is not going to be installed
E: Unable to correct problems, you have held broken packages

, так как я могу установить Wireshark на Ubuntu 12.04, если кто-нибудь может, пожалуйста, скажите мне спасибо