This topic describes the additional configuration that is required to ensure that 2020 Construct functions properly.
Disable AutoCAD Communication Center
Disable the AutoCAD InfoCenter with the following AutoCAD LISP command:
(vl-load-com)(vl-registry-write
(strcat "HKEY_CURRENT_USER\\" (vlax-product-key) "\\InfoCenter") "InfoCenterOn" 0)