AutoCAD Architecture 2012 Error 1303 and 1905

Hello!
While trying to install AutoCAD Architecture 2012 on my OS Windows 7×64, the following shocking error appeared on the screen.
Here are the messages:
1. Error 1303: The installer has insufficient privileges to access this directory.
2. Error 1905: Module C:Program Files (x86Common FilesAutodesk SharedDWF CommonAdview.dll failed to register.
Please provide me a solution.
Thank you.

