Katelynn Mansoor Posted November 8, 2021 Report Share Posted November 8, 2021 Hi, I am unable to activate my Nitro Pro. When I try to activate it, a box appears for me to enter the serial number but it says 'unknown error' when I enter the serial number and try to activate. When I tried to deactivate using the deactivate steps under " Activating Nitro Pro" on the website, it did nothing when I entered the serial number and pressed deactivate. Link to comment Share on other sites More sharing options...
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