Strong Name Validation Failed

Question

Two machines. Both with .NET 3.5 and the VS 2008 VC++ SP1 redistributables

A single exe which uses two signed DLLs, one in C++/CLI and one in C#

The exe load

Answer 1

You must use the 64-bit version of sn.exe on a 64-bit machine. (C:\Program Files\Microsoft SDKs\Windows\v6.0A\Bin\x64\sn.exe)