In order to use your Aurora sewing machine with enabled core isolation please follow the steps below: 

1. Remove the old Aurora driver --> please follow the steps from the linked FAQ:
    Removing old Aurora driver in order to enable Microsoft Core Isolation - FAQ - FAQ - BERNINA Support

2. Download the zipped file from the link below:     
     BES 9: Aurora Driver 2023
3. Extract the folder to a location of your choice.
4. In the extracted folder start the “dp-chooser” as an admin (right click “Run as administrator”).
5. Let you guide through the installation (next> tick “I accept this agreement” > next>finish).
6. You can now run the V9 Software and use your Aurora.