Please try following these instructions again very carefully, you might have missed a step:
If that doesn’t work, uninstall Cubase and the License Control Center, then install the eLicenser Installation Helper. Run the installer as Administrator:
Now, follow these steps:
- After the installation has been completed, reinstall Cubase using the original installation medium.
- Install the updates for Cubase AI 4 from here: Cubase AI 4 | Steinberg
- Now the registration of your Cubase version in MySteinberg should succeed.