During startup, you received the following error message:
Fail to create CommCntrClientSink object!
The program started, but the Properties palette was empty.
This error may occur if third-party programs, such as system registry cleaners, have corrupted one or more of the registry settings during a cleanup process.
To resolve this issue, you must perform a clean reinstallation of AutoCAD®.
To ensure a clean reinstallation of AutoCAD, follow the instructions contained in the following solution: Remove all Autodesk® software products from system to ensure clean installation.
Products: AutoCAD;AutoCAD Architecture;AutoCAD LT;Autodesk Building Systems