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Program crash has always been one of the serious issues, especially in modern applications. It poses severe security concern to the applications and may pose a life threatening concern. Several such instances of program crash have been observed in popular software such as Hadoop, Eclipse and others. It is very much desirable that a program should be tested for crash well before the deployment. A method has been proposed in this paper using search based algorithm and exception injection in order to test program for crash that may caused mainly due to abnormality of external resources. The proposed method facilitates tester to locate the program location, where any such crash may happen. Moreover, it can protect program from such threats well in advance.