ImportError DLL load failed The specified module could not be found

Question

I have installed Python 2 5 4  Numpy 1 5 0 win32  Matplotlib 1 0 0 win32  pywin32 218  Still not able to plot graphs in Python  Here is the error I am getting          import pylab    File  C  Python25 lib site-packages pylab py   line 1  in  lt module gt        from matplotlib pylab import      File  C  Python25 lib site-packages matplotlib pylab py   line 216  in  lt module gt        from matplotlib import mpl    pulls in most modules    File  C  Python25 lib site-packages matplotlib mpl py   line 1  in  lt module gt        from matplotlib import artist    File  C  Python25 lib site-packages matplotlib artist py   line 6  in  lt module gt        from transforms import Bbox  IdentityTransform  TransformedBbox  TransformedPath    File  C  Python25 lib site-packages matplotlib transforms py   line 34  in  lt module gt        from matplotlib  path import affine transform ImportError  DLL load failed  The specified module could not be found    Please kindly help

User · Accepted Answer

I found this answer from a video  http   www youtube com watch v xmvRF7koJ5E    Download msvcp71 dll and msvcr71 dll from the web  Save them to your C  Windows System32 folder  Save them to your C  Windows SysWOW64 folder as well  if you have a 64-bit operating system     Now try running your code file in Python and it will load the graph in couple of seconds

User · Answer

To make it short  it means that you lacked some  dependencies  for the libraries you wanted to use  Before trying to use any kind of library  first it is suggested to look up whether it needs another library in python  family   What do I mean   Downloading  dlls  is something that I avoid  I had the same problem with another library  kivy   The problem occurred when I wanted to use Python 3 4v instead of 3 5 Everything was working correctly in 3 5 but I just wanted to use the stable version for kivy which is 3 4 as they officially  advise   So  I switched to 3 4 but then I had the  very same  dll  error saying lots of things are missing  So I checked the website and learned that I needed to install extra  dependencies  from the official website of kivy  then the problem got solved

User · Answer

Quick note  Check if you have other Python versions  if you have removed them  make sure you did that right  If you have Miniconda on your system then Python will not be removed easily   What worked for me  removed other Python versions and the Miniconda  reinstalled Python and the matplotlib library and everything worked great

User · Answer

Installing the Microsoft Visual C   Redistributable for Visual Studio 2015  2017 and 2019 worked for me with a similar problem  and helped with another  slightly different  driver issue

User · Answer

I had the same issue with importing matplotlib pylab with Python 3 5 1 on Win 64  Installing the Visual C   Redistributable f  r Visual Studio 2015 from this links  https   www microsoft com en-us download details aspx id 48145 fixed the missing DLLs    I find it better and easier than downloading and pasting DLLs

User · Answer

For Windows 10 x64  and Python  Open a Visual Studio x64 command prompt  and use dumpbin  dumpbin  dependents  Python Module DLL or PYD file   If you do not have Visual Studio installed  it is possible to download dumpbin elsewhere  or use another utility such as Dependency Walker  Note that all other answers  to date  are simply random stabs in the dark  whereas this method is closer to a sniper rifle with night vision  Case study 1  I switched on Address Sanitizer for a Python module that I wrote using C   using MSVC and CMake   It was giving this error  ImportError  DLL load failed  The specified module could not be found  Opened a Visual Studio x64 command prompt   Under Windows  a  pyd file is a  dll file in disguise  so we want to run dumpbin on this file   cd MyLibrary build lib win-amd64-3 7 Debug  dumpbin  dependents MyLibrary cp37-win amd64 pyd which prints this  Microsoft  R  COFF PE Dumper Version 14 27 29112 0 Copyright  C  Microsoft Corporation   All rights reserved    Dump of file MyLibrary cp37-win amd64 pyd  File Type  DLL    Image has the following dependencies       clang rt asan dbg dynamic-x86 64 dll     gtestd dll     tbb debug dll     python37 dll     KERNEL32 dll     MSVCP140D dll     VCOMP140D DLL     VCRUNTIME140D dll     VCRUNTIME140 1D dll     ucrtbased dll    Summary       1000  00cfg     D6000  data      7000  idata     46000  pdata    341000  rdata     23000  reloc      1000  rsrc    856000  text   Searched for clang rt asan dbg dynamic-x86 64 dll  copied it into the same directory  problem solved   Alternatively  could update the environment variable PATH to point to the directory with the missing  dll    Please feel free to add your own case studies here  I ve made it a community wiki answer

[python] ImportError: DLL load failed: The specified module could not be found

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