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  1. PO
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    <p>I happen to have the exact same problem as you. Everything is working fine on my computer (WinXP 32-bit) but not on Win7 64-bit computers. This was because on my computer I already have OpenCV 2.4.2 installed and when I execute my program the path to the OpenCV dll points to the OpenCV folder and not to the dlls in the EmguCV folder. The original OpenCV dll don't have this dependency on NVidia's driver.</p> <p>I used <a href="http://www.dependencywalker.com/" rel="noreferrer">Dependency Walker</a> to help me find out what was happening, as suggested <a href="http://www.emgu.com/wiki/index.php/Download_And_Installation#Are_you_missing_any_dependency.3F" rel="noreferrer">here</a>.</p> <p><a href="http://www.emgu.com/wiki/index.php/Download_And_Installation#GPU_package" rel="noreferrer">This</a> link says that only the -gpu packages have gpu processing enabled but as you say the latest version (2.4.2) only a gpu package and no no-gpu package...</p> <p>I read <a href="http://developer.nvidia.com/cuda/cuda-faq" rel="noreferrer">here</a> that all I needed was to download the latest NVidia drivers to get the nvcuda.dll file but I downloaded many packages and never found this file: <a href="http://developer.nvidia.com/cuda/cuda-downloads" rel="noreferrer">gpu computing sdk, cuda toolkit</a>, display drivers, device drivers...</p> <p>My workaround, instead of using an older version of EmguCV/OpenCV is to use the original dll from <a href="http://sourceforge.net/projects/opencvlibrary/files/opencv-win/2.4.2/" rel="noreferrer">OpenCV 2.4.2</a>.</p>
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    1. POEmguCV - nvcuda.dll could not be found
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    1. COGreat answer! But can you please tell me where can i find the .dll files from OpenCV 2.4.2? (what directory)
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      1. USOle Henrik Skogstrøm
    2. CODownload [this](http://sourceforge.net/projects/opencvlibrary/files/opencv-win/2.4.2/OpenCV-2.4.2.exe/download) file. Execute/extract it. The .dll are in ./build/x86 or x64/vc10/bin.
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    3. COStrange, this does not solve my issue. I have included them in my project and copied the files into the executable directory. But i still get the same error...
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      1. USOle Henrik Skogstrøm
 

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