Psutil causing ImportError

[Ystah]

I packaged the program in Windows 7 32bits, run ok. When I try to run it in a fresh other machine(WinXP 32bits, in this case), it causes it:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "C:\Python26\PyInstaller\iu.py", line 436, in importHook
  File "C:\Python26\PyInstaller\iu.py", line 521, in doimport
  File "prompt\build\pyi.win32\prompt\outPYZ1.pyz/psutil", line 68, in <module>
  File "C:\Python26\PyInstaller\iu.py", line 436, in importHook
  File "C:\Python26\PyInstaller\iu.py", line 521, in doimport
  File "prompt\build\pyi.win32\prompt\outPYZ1.pyz/psutil._psmswindows", line 16, in <module>
  File "C:\Python26\PyInstaller\iu.py", line 436, in importHook
  File "C:\Python26\PyInstaller\iu.py", line 505, in doimport
  File "C:\Python26\PyInstaller\iu.py", line 297, in getmod
  File "C:\Python26\PyInstaller\iu.py", line 109, in getmod
ImportError: DLL load failed: The specified procedure could not be found.

Python version: 2.6.4 PyInstaller? version: 1.5.1 Psutil 0.4.1 Sorry for bad formatting and bad english.