OSError: [WinError 127] The specified procedure could not be found. pytorch

Question

I get this error OSError: [WinError 127] The specified procedure could not be found.

OSError                                   Traceback (most recent call last)
 in 
      5 import matplotlib.pyplot as plt
      6 
----> 7 import torch
      8 import torch.nn as nn
      9 import torch.optim as optim

~\AppData\Local\Programs\Python\Python38\lib\site-packages\torch\__init__.py in 
     79     dlls = glob.glob(os.path.join(th_dll_path, '*.dll'))
     80     for dll in dlls:
---> 81         ctypes.CDLL(dll)
     82 
     83 

~\AppData\Local\Programs\Python\Python38\lib\ctypes\__init__.py in __init__(self, name, mode, handle, use_errno, use_last_error, winmode)
    371 
    372         if handle is None:
--> 373             self._handle = _dlopen(self._name, mode)
    374         else:
    375             self._handle = handle

OSError: [WinError 127] La procédure spécifiée est introuvable

I installed pytorch a few days ago and hit this error for the first time today ... so I don't think it's an installation problem... I also tried to reinstall pytorch and still get this error I am using torch 1.5.1+cu101 and python 3.8.5 on windows 10 I have only one version of python installed. if someone could please help me on this thanks a lot

Answer 1

I got a similar error with Python 3.9.2 on Windows 10 and solved it doing the following:

I copied the CUDA 11 drivers (specifically cublas64_11.dll) from:

C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.2\bin to C:\<your python directory>\Lib\site-packages\torch\lib

Answer 2

I was having the same problem which was solved by uninstalling all the versions of python and venv and reinstalling only one.