A very common Windows error in CAESAR deals with a "Side-By-Side Configuration Editor", where multiple windows packages required by CAESAR to run are not loaded.  Here's how to fix this error.

1. First, follow these steps to install .NET 3.5

2. On the computer you should also download and install these, if they do not already exist on the computer:

3. And then uninstall CAESAR, and reinstall by right clicking the setup.exe, and choosing to run the program in compatibility mode for windows 7.