Cant run my OpenCV first code

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1>------ Build started: Project: opencv1, Configuration: Debug Win32 ------
1>  opencv1.cpp
1>c:\opencv\build\include\opencv2\flann\logger.h(66): error C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
1>          c:\program files\microsoft visual studio 11.0\vc\include\stdio.h(218) : see declaration of 'fopen'
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

KEEP getting this error :/...Please help me