C# Windows App A device attached to the system is not functioning

Question

I\'m seeing the following exception coming from a windows forms application on a windows 7 machine. This just started happening on this machine. It still works fine on oth

Answer 1

It turns out this error was related to a dll the program was using that our company wrote. This only seems to occur in windows 7.

The problem was we were using a dll called CryptBase.dll but Windows 7 also comes with it's own CryptBase.dll. My companies version must have been conflicting with the windows version because as soon as we removed our version of this dll the program started working.