I get that behavior also. I just search for * and they all show up, and from that point on, they all show up. Wierd…
Snap-ins run in the context of the FOG Service user. Which I believe runs as the system user by default. Snap-ins themselves do not add anything to the c:\fog.log. The snap-in manager may add when a snap-in is executed, but I’m not sure.
While just calling the exe with no path may work now, it’s not the safest approach to take. Try using your system variables if you don’t want to hard code the path. %systemroot%, %comspec%, %windir%, etc.