You are activating AutoCAD LT 2018 and after clicking "Enter a Serial Number" during the activation phase, the software shows a blank window "Autodesk Licensing" and does not proceed with the activation.
Causes:Corrupt installation of AutoCAD LT caused either by user restrictions or antivirus/anti-malware system.
- Perform a Clean Uninstall of AutoCAD LT 2018.
- Download the full installation package through Virtual Agent or via Browser Download method from Autodesk Account.
- Disable any antivirus on your machine.
- Disable User Account Control in Windows Control Panel.
- Run the installation with the new installation files.
- Once completed, run AutoCAD LT 2018.
- On activation select "Enter serial number" - you will be able to complete the activation and finally run the software.