Photoshop CS5.1 Extended 64 bit - Adobe Product Community - 9541049

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Community Beginner ,

Hi, When I tried to install Magic Touch Pro 2.3 into Photoshop CS 5.1 Extended 64 bit version it would not install and says not a valid signature so I did some research and found Adobe Extension manager 5.02 that also did not work. Any ideas how I can override Adobe extension manager?

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