: The tool often includes a "Patch" button that modifies the software's internal licensing service (LMTOOLS or similar) in real-time to accept the forged activation code.
Using unofficial activation tools prevents you from receiving critical security updates, such as the Autodesk Licensing Hot-fix which addresses DLL pre-loading vulnerabilities (CVE-2019-7364). Xf-adsk2018-x64.exe UPD
If you're trying to repair or patch a legitimate installation issue, please contact Autodesk support directly. : The tool often includes a "Patch" button