WinSSHD is not as good as expect

I often get unexpected exception that forces WinSSHD crash. Now, I decided to change to openssh. In fact, I have installed openssh for windows for a while to use it with cvsnt. However, the same machine also installs cygwin. I thought it would be nice to install all of these via cygwin. Unfortunately, I can't run cvsnt with cygwin openssh so I install cygwin cvs to solve the problem.

At this point, things should run fine but I can't install sshd as a service to let it run immediately at startup. I am still getting execv: 5 Input/Output error.