The correct answer to the following question will be DEBUG.
Explanation:
Debugging is a routine method used to locate and delete bugs, errors or malfunctions that are methodically handled using debugging tools by software programmers.
Debugging checks, detects and corrects mistakes or bugs that enable proper program operation as specified.
The software may have tried to use a non-existent instruction or try to access inaccessible or secured memory on the current Version of the CPU.