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Correct answer Sarojini_Nagar

Hi Thomas Kincaid,

Could you please let us know the OS version on the systems?

Please try referring to this link and follow the troubleshooting steps given : Error "Invalid serial number" | Adobe Acrobat 9 | Adobe Creative Suite 4

Let us know if this helps.

Regards
Sarojini

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Sarojini_Nagar
Sarojini_NagarCorrect answer
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May 6, 2016

Hi Thomas Kincaid,

Could you please let us know the OS version on the systems?

Please try referring to this link and follow the troubleshooting steps given : Error "Invalid serial number" | Adobe Acrobat 9 | Adobe Creative Suite 4

Let us know if this helps.

Regards
Sarojini