Do we really have to discuss that? When I say Encore installs without Premiere Pro, but not without Photoshop Camera RAW you can believe me or you have to try yourself.
Maybe you will trust this Screenshot:
Yes, it could be photoshopped easily, but it's not... It only succeed with the installation of Adobe Camera RAW 7.0.
When I install Encore with Premiere Pro, I still have to install Photoshop Camera RAW or I get the same error you see in my first post. Deinstall Premiere Pro CS6, wont deinstall Adobe Camera RAW 7.0. Only deinstall everything also deletes Adobe Camera RAW... and Encore, of course... but I want keep that.