Comment 25 for bug 603485

I tried several approaches, and this hack helped:

def launch_raw(self, path, hide = True):
    ...
    subprocess.Popen(path.replace('\\\\','\\'), shell = True, cwd = self.home_folder_path)
    ...

I don't understand why, but self.unescape(path) which is equal to urllib2.unquote(path) - they both did not change the path variable :(
Though in Python console they work fine...