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Nitro 12 Error 401

Howard Robertson

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Howard Robertson


Each time I launch Nitro Pro 12 I receive an error message stating, "An error has occurred within our system. Please try again or contact support if this error persists. (Error 401)."  When I click "OK" the error message disappears and Nitro seems to operate fine.  However, this error message is rather annoying and with amount of money I paid for the software, it should be running error free.  I am running v. and my OS is Windows 10 64-bit 2004. 

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Allain Umailin

Hello @Howard Robertson,

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

Could you please open your Nitro Pro 12.16, confirm the error message, logout from Nitro Sign at the upper-right corner of the program and re-login? How did it go?

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

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