Hey- I'm having the same problem. I have CS5 too. Everything works on the creative suite except for Photoshop. I tried reloading it and still doesn't work. Tried to reload my old OS and that was too risky. I would have to erase my entire hard drive and reload from my external had drive (time machine). So now I am having to upgrade photoshop on the icloud upgrade. I have to pay $20.99 a month for the rest of my life. Some Indian guy with marbles in his mouth took my credit card info and now has put me on hold for 1/2 hour so far. All these guys are in India. UGH.
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