My PCSX won't run the file .img

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http://ubuntuforums.org – I've got a problem. I used to be able to run my .img files on the pcsx, but las night i tried to run a file .ccd, and it crashed, after that it wont let me run any other file (even the .img that worked previously) I tried UN-installing and installing again but it wont do. when I tried to run an .img file, at the terminal appeared the next message: "RGB & YUV not found. Quitting." any idea what to do? (Hardware)