An application attempted to execute an illegal instruction. An illegal instruction is an instruction that the CPU cannot understand. This problem cap appear if the application’s code has been modified. One way that this can happen is via a buffer overflow that leads to heap corruption. M168737 provides an example of this kind.
As per Microsoft: "Retry the operation. If you still get this message, try to continue. If you are able to continue, you might want to check the results of the running application. Otherwise, terminate the application, and then restart it. If you still get this message, contact your technical support group or the supplier of the running application".
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