When I download and try to install Camera RAW 4.6 on my Mac (OSX 10.7.5, Safari browser) I get the following message "Could not complete your request because photoshop does not recognize this type of file." Suggestions?
You're trying to open the plug-in instead of manually installing it in the appropriate location (folder) and then relaunching Photoshop.
Read the instructions again.
This is the correct path to the File Formats folder. Notice that you start in the ROOT LEVEL library, not your User Library:
Retrieving data ...