R. Lowe Posted October 28, 2019 Report Share Posted October 28, 2019 I'm trying to deactivate NitroPro 12 on this computer and transfer it to a new computer. When I click deactivate on this computer I get a -20 Error. I know it's a valid license key because it's been installed on this computer for nearly one year. Please help. Thanks. Link to comment Share on other sites More sharing options...
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