Roger Caron Posted March 22, 2021 Report Share Posted March 22, 2021 The computer on which my Nitro Pro application was installed had a sudden hardware failure. I was unable to deactivate NitroPro on that computer. On my new computer, the trial version appeared. When I tried to activate NitroPro on my new computer with my serial number, I apparently misunderstood the instructions for activating because after entering my serial number, clicking on "deactivate", which led me back to the same window. Deactivating again, I got a message saying that I was no longer allowed to activate. I have only used Nitro Pro on one computer since acquiring the license. Please let me know how I can resolve this. Roger Caron Link to comment Share on other sites More sharing options...
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