Maheshwar Dutt Sharma Posted April 20, 2021 Report Share Posted April 20, 2021 I upgraded from NP 11 to NP 12 with a serial number from the past version of NP 11. To remove the error 401, I uninstalled NP 12. After that it requires new activation and the old serial number is not valid. Please help. Link to comment Share on other sites More sharing options...
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!Register a new account
Already have an account? Sign in here.Sign In Now