mehmet uğurlu Posted September 13, 2021 Report Share Posted September 13, 2021 (edited) We purchased Nitro PDF v6 for 8 with Upgrade assurance(1) subscription. We had to renew our two(2) computers due to electrical problem, and we could not release our two licenses. Now when I try to activate they both give unknown error Edited September 13, 2021 by mehmet uğurlu Link to comment Share on other sites More sharing options...
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