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Unable to Activate Nitro Pro 11 on New Device

Joseph Theng

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I deactivated Nitro Pro 11 on my old Win10x64 notebook and installed Nitro Pro on a new Win10x64 notebook.

But I was unable to activate my serial number on the new device. [i.e. -23 Error: License number already used]

After checking my serial number on https://licenses.gonitro.com/prd/portal , the licence is stated to be active with zero activations.


NitroPDF staff, Please help!

Thank You!

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