[Qgis-user] Problem with VTerrain plug-in

[venerio giuseppe anardu]

Hello,
I exported as .bt file a DEM.asc with QGIS, but when I try to open it with VTerrain it appears an error message:

Errore durante l'esecuzione di codice Python:

Traceback (most recent call last):
  File "C:/Users/Sirbone/.qgis/python/plugins\VTerrain\VTerrain.py", line 86, in run
    os.spawnl(os.P_NOWAIT, directory[2] + "Enviro", "-elev=" + name)
  File "C:\PROGRA~2\Quantum GIS Wroclaw\apps\Python27\lib\os.py", line 608, in spawnl
    return spawnv(mode, file, args)
OSError: [Errno 2] No such file or directory

Versione Python:
2.7.2 (default, Jun 12 2011, 15:08:59) [MSC v.1500 32 bit (Intel)]


Versione di QGIS:
1.7.4-Wroclaw Wroclaw, 411aff6

Anyone knows if I'm doing something wrong? My OS is Windows 7 64bit, Quantum GIS 1.7.4, and vtp already installed.
Thank you
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