-121: License is already activated


This error can occur with offline activation, even when our License Server shows that there are no current activations on the license. We are not exactly sure what triggers the error.


Please try the following, then reach out to us if it does not solve the issue.

  1. Delete the *.lic file located at:

    1. Mac: /Library/Application Support/Imatest

    2. Windows: C:\ProgramData\Imatest\license

    3. Linux: /var/lib/imatest

  2. Restart your PC and re-try the activation.