When activating Adobe professional widows version I get invalid license number

[thomask33149882]

Why am I getting an invalid serial number when activation my copy of Acrobate pro9? We have replaced all of our old computers and need the software.

[Sarojini_Nagar · Accepted solution]

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