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This conversation has been merged. Please reference the main conversation: Photoshop/Photoshop Elements: Licensing for this product has stopped working (error 150:30)
I am running IOS Yosemite 10.10 and have CS4 Photoshop installed on it. When trying to execute Photoshop app I get an Error code of 150:30. Has CS4 been tested for use on Yosemite? What do I need to do?
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