Adrienne Kendrick Posted May 10, 2021 Report Share Posted May 10, 2021 Hi. I got rid of an old computer that had an old version of Nitro Pro on it. I tried to load up the new version, and of course it said my serial number was no good. I found the old version online and it gave me a -24 activation error. Please help as I really don't want to have to pay for this again. Thanks! Link to comment Share on other sites More sharing options...
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