I have restarted a few times, I will try the Finder thing now. Could it be some issue with Adobe CS4 Suite ...
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -kill -seed -rfv -all user, system, local
enter this command into Terminal to relaunch your LaunchServices.
Code:/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -kill -seed -rfv -all user, system, local