Fedora 16 and Chromium

[Roger]

Interesting problem inststalling chromium in Fedora 16
I get an error: chromium-15.0.874.106-1.fc16.x86_64 requires 
libvpx.so.0()(64bit)

yum whatprovides reports: libvpx-0.9.7.1-1.fc16.i686 : VP8 Video Codec SDK
not the 64bit version.

I have  Fedora 16 -x86_64 -  Updates and Test Updates switched on in 
software sources.
All software is reoported up to date.

I downloaded libvpx-0.9.7.1-1.fc16.x86_64.rpm 
<ftp://rpmfind.net/linux/fedora/linux/releases/16/Everything/x86_64/os/Packages/libvpx-0.9.7.1-1.fc16.x86_64.rpm> 
from http://rpmfind.net/  but on install I get:
Local Install failed-- Can't install libvpx-0.9.7.1-1.fc16.x86_64(1).rpm 
as no transaction.

I've run out of ideas, what does the error "no transaction" mean and how 
can it be fixed please?
thanks in advance
Roger
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