Brian O Posted April 21, 2021 Report Share Posted April 21, 2021 Trying to activate Nitro 12 and I'm received -24: Activation Error when attempting to activate. When I try to submit a ticket and enter my serial key it gives me the following error. licenses.gonitro.com please enter a valid serial number. I recently had my hard drive replaced, but I do have my order number and serial number to provide to support if needed. Link to comment Share on other sites More sharing options...
Official Nitronaut Leslie V Posted April 22, 2021 Official Nitronaut Report Share Posted April 22, 2021 Hello @Brian O Thank you for your message! Please install the latest Nitro Pro 12 update so you can continue using your purchased license: https://www.gonitro.com/nps/product-details/downloads Then activate with your Nitro Pro 12 serial number. I hope this helps. Let me know if you require anything else. Link to comment Share on other sites More sharing options...
Brian O Posted April 22, 2021 Author Report Share Posted April 22, 2021 Hello, Leslie V. Thank you for your response. I downloaded the Nitro Pro 12 file found on the referenced link above. However, when I attempted to run it, the install Wizard failed. Perhaps I have the wrong file? Link to comment Share on other sites More sharing options...
Official Nitronaut Leslie V Posted April 23, 2021 Official Nitronaut Report Share Posted April 23, 2021 Hello @Brian O Please one of the direct links below: 64 bit32 bit Please let me know how that goes. Link to comment Share on other sites More sharing options...
Brian O Posted April 23, 2021 Author Report Share Posted April 23, 2021 Hello Leslie V., I ran the 64-bit program from the link you provided. The wizard stated it was successful in repairing Nitro Pro and I rebooted, as instructed. However, when I went to activate Nitro Pro, I received the same error - 24 Activation Error. Do I need a new activation code? Link to comment Share on other sites More sharing options...
Official Nitronaut Leslie V Posted April 26, 2021 Official Nitronaut Report Share Posted April 26, 2021 Hello Brian, Can you please try the installers below: 64-bit32-bit Link to comment Share on other sites More sharing options...
Neat Void Posted April 26, 2021 Report Share Posted April 26, 2021 Hi Leslie V., I have the same issues, tried to deactivate hosts from this link https://licenses.gonitro.com/prd/portal and tried to register the product and it gives me error -24 activation error. already installed the 64 bit but still gives the same error. 5 hours ago, Leslie V. said: Hello Brian, Can you please try the installers below: 64-bit32-bit Link to comment Share on other sites More sharing options...
Official Nitronaut Leslie V Posted April 27, 2021 Official Nitronaut Report Share Posted April 27, 2021 Hello Neat, This error message is related to the older builds before we updated and upgraded our servers. Please ensure you uninstall Nitro Pro completely and remove all previously downloaded installers. Please try reinstalling and let us know how that goes. Link to comment Share on other sites More sharing options...
Neat Void Posted April 27, 2021 Report Share Posted April 27, 2021 Hi Leslie V, already tried to clean uninstall via Revo but still showing the same error, any thoughts? 2 hours ago, Leslie V. said: Hello Neat, This error message is related to the older builds before we updated and upgraded our servers. Please ensure you uninstall Nitro Pro completely and remove all previously downloaded installers. Please try reinstalling and let us know how that goes. Link to comment Share on other sites More sharing options...
Brian O Posted April 29, 2021 Author Report Share Posted April 29, 2021 Hi Leslie V., I uninstalled the program and installed the Nitro Pro 12 from the 64-bit link provided. However, when I went to activate Nitro Pro, I received the same error - 24 Activation Error. Do I need a new activation code? Link to comment Share on other sites More sharing options...
Official Nitronaut Leslie V Posted April 29, 2021 Official Nitronaut Report Share Posted April 29, 2021 Hello, Please use the tool I have provided below to remove all files associated with Nitro Pro and reboot your system.https://install.nitropdf.com/professional_13381739/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/000004307 When your system is back up, close all your open applications and install Nitro Pro 12 from the page I have provided below:https://www.gonitro.com/nps/product-details/downloads If the error message continues, please send me the serial number so I can check. Cheers! Link to comment Share on other sites More sharing options...
Brian O Posted April 29, 2021 Author Report Share Posted April 29, 2021 Hi Leslie V., I followed your instructions above (ran the tool, rebooted and ran the Nitro Pro 12 installation), but received the message that the wizard failed. Please advise. Link to comment Share on other sites More sharing options...
Official Nitronaut Leslie V Posted April 30, 2021 Official Nitronaut Report Share Posted April 30, 2021 (edited) Hello @Brian O Please try the following: Clear the content of the directory under C:\users\your_username\Appdata\local\temp. For whatever reason, not all temp files automatically remove themselves and is NOT usually caused by Nitro Pro files. Kindly note Appdata folder is hidden and to unhide it, please refer to this article https://cybertext.wordpress.com/2012/05/29/cant-see-the-appdata-folder/ 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. Download and install Nitro Pro 12.16 using below offline installers: x32 http://install.nitropdf.com/professional_12163574/en/retail/nitro_pro12_ba_x86.msi x64 http://install.nitropdf.com/professional_12163574/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 Edited April 30, 2021 by Leslie V. Link to comment Share on other sites More sharing options...
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