f11 x86_64 and acrobat reader

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 When i try running acrobat reader (9.1.2) it works fine on 32 bit f10,
but on 64 bit r11 i get

 Gtk-message: Failed to load "pk-gtk-module": libpk-gtk-module.so:
cannot open shared object file - no such file or directory.

 So i did this:

  yum install PackageKit-gtk-module.i586

 which installed a load of stuff - but problem persists.

 Help ?