Why can't find dll on windows server?

Question

DLL

All libraries installed, windows server 2012

Microsoft Windows [Version 6.2.9200]
(c) 2012 Microsoft Corporation. All rights reserved.

C:\Users\bestvdser>C:\Users\bestvdser\Desktop\work\install.py
XXX lineno: -1, opcode: 248
Traceback (most recent call last):
  File "<C:\Users\bestvdser\Desktop\work\install.py>", line 3, in <module>
  File "<frozen install>", line -1, in <module>
SystemError: unknown opcode

C:\Users\bestvdser>C:\Users\bestvdser\Desktop\work\install.py
XXX lineno: -1, opcode: 248
Traceback (most recent call last):
  File "<C:\Users\bestvdser\Desktop\work\install.py>", line 3, in <module>
  File "<frozen install>", line -1, in <module>
SystemError: unknown opcode

C:\Users\bestvdser>C:\Users\bestvdser\Desktop\work\main.py
Traceback (most recent call last):
  File "<C:\Users\bestvdser\Desktop\work\main.py>", line 3, in <module>
  File "<frozen main>", line 19, in <module>
  File "C:\Users\bestvdser\AppData\Local\Programs\Python\Python39\lib\site-packa
ges\cv2\__init__.py", line 180, in <module>
    bootstrap()
  File "C:\Users\bestvdser\AppData\Local\Programs\Python\Python39\lib\site-packa
ges\cv2\__init__.py", line 152, in bootstrap
    native_module = importlib.import_module("cv2")
  File "C:\Users\bestvdser\AppData\Local\Programs\Python\Python39\lib\importlib\
__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
ImportError: DLL load failed while importing cv2: The specified module could not
 be found.