Cmake 2.4.4 with vc11 x86 on Win7 64bits

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I got the above error when tried to configure the opencv with CMake under Windows7. Turned out that my AVAST anti-virus was blocking the generation and deleted the temporarly created binaries immediately.. just add the opencv folder (build, sources, etc - recursively) to exclusion list in settings.

Same applies to eclipse projects when you create a C or C++ project make sure that the folder is added to the exlcusion list otherwise you will get execution error (when running the binary from eclipse menu).

Hope it helps.

Same answer as the topic beneath you, it seems that OpenCV and VS2012 have problems in getting to compile correctly, so VS2010 is suggested. However, some nice guy wrote a guide on how to get everything compiled with VS2012:

http://answers.opencv.org/question/6495/visual-studio-2012-and-rtlfreeheap-error/

Please see that topic for more guidance :)