The mention of net2 and net4 sounds like the .Net runtime could be involved - the numbers referring to the version of the runtime. Quite the coincidence if not.

The mention of net2 and net4 sounds like the .Net runtime could be involved - the numbers referring to the version of the runtime. Quite the coincidence if not. Perhaps a .Net decompiler could help. Reflector used to be the only good tool around, but since it became a paid tool, other free ones have sprung up. dotPeek is one (no idea how good it is).