Debug Assertion Failed! _ OpenCV _VC++_Directshow

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Microsoft Visual C++ Debug Library
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Debug Assertion Failed!

Program: C:\DXSDK\Bin\DXUtils\graphedt.exe
File: dbgheap.c
Line: 1138

Expression: _BLOCK_TYPE_IS_VALID(pHead->nBlockUse)

For information on how your program can cause an assertion
failure, see the Visual C++ documentation on asserts.

(Press Retry to debug the application)
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Abort Retry Ignore
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Solution :
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I got this error... I released the image using delete operator... this is caused this error...

So I deleted the image using cvReleaseImage() fn...

Regards
Sundara rajan.A