[Autodesk DWG TrueView 18]

If you are continuously get 1603s from DWG Trueview, and 1619s from DirectX, you may want to take a look at

http://upandready.typepad.com/up_and_ready/2011/07/autocad-2012-installation-error-1603-analyzing-log-shows-error-please-install-directx-before-install.html .

Replacing the directx redist with the directx redist specified in this link is the only way that I got it to install.

Also, in case that link goes out, here is the direct link to Microsoft, http://www.microsoft.com/download/en/details.aspx?id=19743 .