I know this thread is several months old, but I had experienced a similar problem after buying a new computer with Windows Vista 64-bit. I installed and reinstalled, searched everywhere and couldn't come up with a solution to Photoshop not responding when I tried to launch it after installation. I finally found this post, followed the instructions to download and install the patch, and was able to finally successfully launch Photoshop CS3. Thank you so much for posting your solution!
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