I was trying to install avidemux by: $rpm -ivh avidemux2-2.0.22-0.rhfc1.dag.i386.rpm warning: avidemux2-2.0.22-0.rhfc1.dag.i386.rpm: V3 DSA signature: NOKEY, key ID 6b8d79e6 error: Failed dependencies: libmad.so.0 is needed by avidemux2-2.0.22-0.rhfc1.dag So, I installed the tarball of libmad: tar xvzf libmad-0.15.1b.tar.gz cd libmad-0.15.1b ./configure make && make install Everything seems fine but when i try to install the avidemux rpm I get the same error