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When activating , says serial number does not exist

Janey Jahner

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I was getting a 401 error and after reading this form, it said to do a download, which I did.  The error went away, but now it says I am in trial mode.  I tried to enter my serial number, but it says the serial number does not exist.  How do I get my software back??

Edited by Janey Jahner
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Allain Umailin

Hello @Janey Jahner,

Thank you for reaching out to us through our Community Forums!

In order to further assist you, could you please provide a screenshot of your 'About Nitro Pro' window under Help tab?

To find out how to take a screen shot using Snipping Tool, check out this link:


To send it via private message, hover your mouse on top of my name 'AllainU' and select 'Message'.

Thank you very much in advance and I am looking forward to hearing back from you. 

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