If I activate Codepress Admin Columns, my media library stops showing images, titles, etc in the media library.
I'm running version 1.4.9 of the CAC plugin, and WP 3.5.
I'm running a Danish version of WP, so my Medialibrary is called Mediebibliotek.
I have not touched the CAC settings for the media library.
Here are two screenshots: