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Issue with the Activation Certificate


Alesia Perry

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Hello, I am trying to activate Nitro PDF version 12.16.9.574; however, when I enter my serial number and the copied activation certificate, I keep getting an error saying the "There is an issue with the activation certificate".  The error is "-2: Error - Bad Parameter".  I am copying the activation certificate just as it is, so not sure what the problem is.  I have verified the serial number and it is correct.  Please help as I need to get Nitro PDF working again.

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Hello, I need to make a correction to the problem.  It is the activation link (nitropdf.com/activation) that is not working.  I have tried various browsers to get to it, so I can inter the installation ID and serial number, so I can get the activation certification.  I am not longer able to use Nitro PDF until I can get it activated, so need help ASAP!!  All the instructions just say to click on Activate and enter the serial number, but there is more to the activation and it is not working for me.

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  • Official Nitronaut
Allain Umailin

Hello @Alesia Perry,

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

To further assist you with your concern, let us try some troubleshooting by referring to these steps:

1. Download and run our Clean Up utility to uninstall your current Nitro Pro and reboot your machine: 

http://install.nitropdf.com/professional_12169574/install-cleanup/install-cleanup.zip 

NOTE: This clean-up tool will erase any existing signature files within Nitro so please save them to another location before using the clean-up tool in order to keep them. Please see this link for backing up custom stamps/signatures: https://kb.gonitro.com/knowledgebase#/search/stamps/000004509 

2. Clear all your Downloads folder or delete all downloaded Nitro installers. This step is important because we noticed that if you are saving all the installers and you download them in the same folder (like the downloads folder), the EXE can pick up any MSI installer in that folder and you may pick-up one of the older builds instead of the newly downloaded package.

3. Download and install Nitro Pro 12 using below offline MSI installer links:

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

Important: If you are using Chrome or any of the Chromium-based browsers (e.g., Vivaldi, etc.) and you are unable to access the above installer links, you're more than likely experiencing the results of a new security feature that was silently pushed out to the browsers, which blocks .exe/.msi/etc downloads without any visible error or prompt on the browser's frontend user space. In order to bypass this, please try these steps:

a. Right-click the link you're trying to download, and select "Save link as..."
b. Choose your save location and select "Save"
c. On the bottom edge of your browser window, the Downloads bar should now appear and the file will show up with a red error icon, attempting to block the download. Press the caret button and select "Keep"

4. After installation, you can activate by opening Nitro Pro, clicking on the Help tab > About Nitro Pro > Activate by entering your serial number 234601-xxxxxx-733148

Thank you for your patience and please let us know how it goes on your end.

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