David Ng Posted September 23, 2022 Report Share Posted September 23, 2022 Hello recently formatted my hard drive and now asking to activate Nitro Pro 18.104.22.1688 on my PC Windows 10. I have the installation ID and Serial Number and Activation Code but whatever I type in the Serial Number .. it doesn't work, it's currently on 14 days trial left. Error message says -24 Activation Error - Please contact support and submit request. Can you kindly advise as I paid for it and now it stopped working. Regards, David Link to comment Share on other sites More sharing options...
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