Serial number not recognize for Acrobat 9 Pro (into CS4 MC) after update until 9.5.5

Forum|Forum|9 years ago
March 30, 2016
1 reply
1006 views

Hello,

My CS4 Master Collection works on MAC OS El Capitan, except Acrobat 9 Pro. Acrobat 9 Pro stop while starting.

I do successive updates from 9.1 until 9.5.5 (23 updates). Now Acrobat accept to start but it ask me the serial number, and when I type the serial number from my package CS4 Master Collection, this one isn't recognized.

Please help.

This topic has been closed for replies.

Correct answer YatharthS

Hi christophel79691303 ,

Please refer to these KB article :- https://helpx.adobe.com/creative-suite/kb/error-invalid-serial-number-acrobat.html

https://helpx.adobe.com/creative-suite/kb/invalid-serial-number-cs4.html

Let me know if it works.

Regards,

Yatharth

Y

YatharthS

Correct answer

Community Manager

Hi christophel79691303 ,

Please refer to these KB article :- https://helpx.adobe.com/creative-suite/kb/error-invalid-serial-number-acrobat.html

https://helpx.adobe.com/creative-suite/kb/invalid-serial-number-cs4.html

Let me know if it works.

Regards,

Yatharth

petitpois

Participant

Hi

I installed cs5 design premium (from DVD), but the acrobat pro 9 program cannot launch properly.

When I open the program, all I get is an empty toolbar with nothing except the word acrobat. These is no option to enter the serial number and also no option to quit and I have to force quit using activity monitor.

I am not able to update this program as the the updates on the adobe website only goes down to acrobat 10.

Please help, thanks!

Ling

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