To enter new code that performs as intended in the place of the old code that produces an error is the goal of ?

Fixing code in a software program.

Explanation:

In software development there is a life cycle, for example, analyze, design and programming, we can create a beta of our software, this is a phase of our unfinished program.

There are certificated professionals called tester, these people can make a test of our program, and provide a full report about problems in the system, with this report we can replace the old code with new code, we are fixing code in our software program.

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.