[Fedora-Bangladesh] Can´t use yum

[Junayeed Ahnaf Nirjhor]

Hello,
Today I´ve tried to install evince,firefox,chromium & gedit but all end up in 
this line. After the download completes this error is shown:


rpmlib(PayloadIsXz) is needed by gstreamer-0.10.24-1.fc12.i686


itś showing for every dependencies. Iǘe manually tried to install rpmlib but 
no success. there is no package by the above name.


What to do now?
-- 
May almighty´s blessing be always upon you-
Md.Junayeed Ahnaf Nirjhor
Homepage:http://nirjhor.wordpress.com
Jaleswaritala,Bogra
Bangladesh
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