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It might be helpful to know what operating system you are using? And did you get any message pop up after the crash? What graphics card are you using, and does it have the latest driver?
Do you have additional fonts installed? Photoshop looks through your fonts on start-up, and can crash when it runs into a corrupt font.
Depending on your OS, there will be tools out there to restore your default font set. This tells you how to do so with Windows 7
I agree with Trevor.
First thing that I would look at would be the graphics card's video driver. Here, it is important to know your OS and version, plus the graphics card, make and model.
Second, of that group of programs, Ps is the only one, that is very sensitive to fonts. Along with Trevor's link, this article might offer a few more thoughts: http://forums.adobe.com/message/2186476#2186476
Those are the first two causes of crashes on launch, that come to my mind.
Good luck, and please let us know a bit more about your system.
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Follow the below mentioned steps and let me know if it works.
1. Please Launch Adobe Creative Cloud
2. Go to Preferences and then signout
3. Re-launch Photoshop and resign in using same Adobe ID.