Can't launch Photoshop after installing

after installing can't launch photoshop. creative cloud says have 2 installed photoshop. false. have 1 installed program. why system says me log out computer? , how can launch photoshop without log out computer?

remove cloud license on computer http://forums.adobe.com/thread/1442423?tstart=0 may help

-also read http://helpx.adobe.com/x-productkb/policy-pricing/error-maxium-acitvation-exceeded.html

sign out of cloud account on computer or b able use on computer c

-via https://helpx.adobe.com/x-productkb/policy-pricing/activate-deactivate-products.html

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