Proxygen won't run with a C++/CLI program.

Q:

I can't use proxygen with a very simple C++/CLI program. After execute proxygen I always get the error:

ProxyGen.exe Error: 10030 : The following file is not a valid managed assembly:
(path to the executable)

What is the problem?

A:

Proxygen cannot run with /clr c++/cli mixed mode .exe assemblies; it can, however, run with a .dll.

If you try to run it with an .exe it will throw an exception when loading the assembly with Assembly.LoadFile: System.IO.FileLoadException:  “Attempt to load an unverifiable executable with fixups (IAT with more than 2 sections or a TLS section.)”