Phillip Cannon Posted September 9, 2022 Report Share Posted September 9, 2022 I have Nitro Pro 12 with a version 12 serial number that I'm trying to activate. When I register, it gives a -24 activation error. I've tried the deactivation wizard which tells me I have 0 installed and 2 available. This was originally installed on a Windows 10 machine with a mechanical drive. The new install is on Windows 11 with a SSD. Any advice? Link to comment Share on other sites More sharing options...
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