If upgrading to 9.0.3.46 does not immediately fix this error, the local licensing registration file may be corrupted.
The was a critical update released around 2019 for 2020 version products to resolve various installation and "AdskLicensingService will not start" errors. Autodesk Licensing Service 9.0.3.46 Download
Locate the downloaded file: AdskLicensingInstaller-9.0.3.46.zip . Right-click the folder and select . If upgrading to 9
⚠️ Warning: Uninstalling the licensing service will break license validation for all Autodesk products until reinstalled. Autodesk Licensing Service 9.0.3.46 Download
If you’d like, I can search Autodesk’s site for the official release notes or a direct download link for 9.0.3.46.