Users often encounter "Error 139" or similar licensing failures if the activation tool is not run with full administrative rights or if modern Autodesk Identity Manager components conflict with legacy files. Troubleshooting "139" or Activation Issues
To get the most out of this build in a production environment: xf a2011 64bits 139
Locate the setup.exe or install.msi file. Right-click and select Run as Administrator . License Agreement: Read and accept the license agreement. Users often encounter "Error 139" or similar licensing