Sounds like bug. But, there is a point or two I'd like to better understand:

1. Are you using the FMS version of SPP? If so, this is a normal behaviour. Only that on Win7, the tray icon disapears after a few seconds. You can make it seen by clicking on the little down-arrow that is displayed on the tray.

2. If this problem sustains even in Virtual XP I suspect that there is some Hardware problem (Unusual sound card for example) that is shared by the two operating systems. Do you have some super-sophisticated RealTek card?

You seem t know what you are doing and this looks like a bug. I wander what it is in your system that triggers this. If this is just some statistical bug then moving to another (older) version of SPP might by chance solve this.

Anyway, I think that SPP thinks that another SPP process is running and exits. The mechanism is this:

/* Test if another SPPConsole is running */

if (hMuxex=OpenMutex(MUTEX_ALL_ACCESS, TRUE, MUTXCONSOLE))

{ // another instance is already running and the second instance is NOT

// launched iconified then Broadcast a message.

if (!m_Iconified)

::PostMessage(HWND_BROADCAST, WM_INTERSPPCONSOLE, 0, 0);

// Quit (No second instance allowed)

CDialog::OnCancel();

return FALSE;

}

else

hMuxex = CreateMutex(NULL, FALSE, MUTXCONSOLE);