Hi, I have an ASUS P535 and I have a problem with GPS. If I use TomTom Navigator, I don't have any problem, but if I use the gps sample from Microft I have the next problem: - Sample project: Microsoft.WindowsMobile.Sample.Location (ProgramFiles\Windows CE Tools\wce500\Windows Mobile 5.0 Pocket PC SDK\Samples\Cs\Gps) - Error: In the function WaitForGpsEvents the code stop indefinitily WaitForMultipleObjects - The Microsoft sample, haven't any problem in HTC P3300 - The code and error: private void WaitForGpsEvents() { lock (this) { bool listening = true; IntPtr handles = Utils.LocalAlloc(12); Marshal.WriteInt32(handles, 0, stopHandle.ToInt32()); Marshal.WriteInt32(handles, 4, deviceStateChangedHandle.ToInt32()); Marshal.WriteInt32(handles, 8, newLocationHandle.ToInt32()); while (listening) { int obj = WaitForMultipleObjects(3, handles, 0, -1); (!!!!!ERROR STOP HERE indefinitely!!!!!!!!!!!!!!!!!!!). if (obj != waitFailed) { switch (obj) ... { case 0: // we've been signalled to stop listening = false; break; case 1: // device state has changed if (deviceStateChanged != null) { deviceStateChanged(this, new DeviceStateChangedEventArgs(GetDeviceState())); } break; case 2: // location has changed if (locationChanged != null) { locationChanged(this, new LocationChangedEventArgs(GetPosition())); } break; } } } // free the memory we allocated for the native handles Utils.LocalFree(handles); // clear our gpsEventThread so that we can recreate this thread again // if the events are hooked up again. gpsEventThread = null; } } Some idea or solution? Thank you