OK OK GUYS!!!! I've found the solution: ( effectly, a friend of mine has found the solution )
import os os.spawnl(os.P_WAIT, "c:\programmi\internet explorer\iexplore.exe",'"C:\Documents and Settings\michele\Desktop\ciccio.html"','"C:\Documents and Settings\michele\Desktop\ciccio.html"') The secret are the ' simbols around arguments: ' "C:\Documents and Settings\michele\Desktop\ciccio.html" ' Without these, don't work! Very STRONG!!!!! bye and thx -- http://mail.python.org/mailman/listinfo/python-list