Reinstalled Nitro PDF Pro ver.12 but received as activation error message

[Syed Fadzil Syed Farooq]

Hi Nitro,
I have to reinstall my Nitro PDF Pro ver.12 but received the activation error message below. I followed the instruction to deactivate the license and reactivate again but it is still giving the same error message.

Please help soonest!

Thanks.

syed

[Allain Umailin]

Hello @Syed Fadzil Syed Farooq,

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

We want to make you aware of the change to your product that may affect its activation performance and to continue offering our customers the very best PDF tools, please install Nitro Pro 12.16.9.574 using the below offline English MSI installers:

x32 http://install.nitropdf.com/professional_12169574/en/retail/nitro_pro12_ba_x86.msi
x64 http://install.nitropdf.com/professional_12169574/en/retail/nitro_pro12_ba_x64.msi 

To know if you have 32-bit or 64-bit, please refer to this article:
https://support.microsoft.com/en-ph/help/15056/windows-32-64-bit-faq 

After installation, you can activate it by opening Nitro Pro, clicking on the Help tab > About Nitro Pro > Activate by entering the same serial number.

Thank you for choosing Nitro and I hope this helps.