fastfat deadlock? (was: EnumDeleteRenameCreate.exe hangs console)

I've created a small app which spawns 4 threads and begins looping waiting for user input to stop them.
Replication of the hang:
1) Create a "New" folder in C:\ (needed for the exe to work)
2) Open two different cmd.exe
3) Run the EnumDeleteRenameCreate.exe in one of them
4) Go to the other cmd.exe. You will see it doesn't respond at all, if you are fast enough, you may be launching the EnumDeleteRenameCreate.exe but it wont even show the "Press 5 to stop execution".

There is nothing going on in the debuglog. Totally empty but the tcpip prints showing ReactOS is alive.

hbelusca feel free to reassign it if it is not console related.