DLL Load Library - Error Code 126

Question

I m using the  LoadLibrary  from the Windows API  when I run the application  it throws me an error code 126  I read that it may be caused by dependencies  I checked what s wrong with some applications like Dependency Walker  but everything was fine   LoadLibrary in the application               HMODULE dll mod   LoadLibrary L path to dll                if dll mod  NULL                   std  stringstream error                  error  lt  lt   Could not load plugin located at  n   lt  lt  file full toStdString    lt  lt    n   lt  lt   Error Code     lt  lt  GetLastError                    FreeLibrary dll mod                   return error str                    Plugin code    include  stdafx h   define DLL EXPORT  define PLUGIN STREAM   declspec dllexport   include  lt iostream gt   include  lt vector gt  using std  vector  using std  string     Init event  After the loading  extern  C   PLUGIN STREAM int onInit char  argv   return 0    PLUGIN STREAM void pluginInfo vector lt string gt   amp  info   info push back  media event false        info push back  status event false        info push back  send event true        info push back  plugin name  RadioStream         info push back  description  This plugin was designed for that people that wants to listen to radio music  nYou can register your radio and play it later  also we have a gallery of radios that you can check  nThis plugin is original of Volt and it s originally implemented in the application          info push back  success 0        info push back  error 1 Could not open data file        info push back  error 2 Could not prepare plugin        info push back  alert 40 Could not connect to that radio

User · Accepted Answer

Windows dll error 126 can have many root causes   The most useful methods I have found to debug this are    Use dependency walker to look for any obvious problems  which you have already done   Use the sysinternals utility Process Monitor http   technet microsoft com en-us sysinternals bb896645 from Microsoft to trace all file access while your dll is trying to load  With this utility  you will see everything that that dll is trying to pull in and usually the problem can be determined from there

User · Answer

This worked for me Visual C   Redistributable Packages

User · Answer

This error can happen because some MFC library  eg  mfc120 dll  from which the DLL is dependent is missing in windows system32 folder

User · Answer

This can also happen when you re trying to load a DLL and that in turn needs another DLL which cannot be not found

[c++] DLL Load Library - Error Code 126

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