Serial number appears to be invalid

After you install an Acrobat update I lost the printer called 'Adobe PDF' so I decided to uninstall Acrobat 10, download a fresh file Acrobat X and reinstall.  Even if I have the serial number for my Adobe account, the new facility considered it invalid, so I'll have to run as a free trial for 3 weeks.  Why is my serial number considered invalid?

Hi Pam,.

Please see the below help documents:

Error "serial number is not valid for this product". Creative Suite

Invalid serial number error

Kind regards

Sheena

Tags: Adobe

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