I need help, I have CS4 and had to reinstall from a hard copy. Now my camera RAW don't work.

i had 50d , bought 7d. photoshop cs4 acting unitstalled it. reinstalled hard copy (cd) , can not open ps raw....

run - updates.

if reason fails, can visit 1 of these pages updates , install them manually. you'll want camera raw 5.7 update.