Corrective Maintenance
Corrective maintenance in software refers to the process of identifying, analyzing and rectifying faults or deficiencies in existing software products to restore them to their intended level of performance. This type of maintenance focuses on fixing errors, bugs, and other issues that arise during the operation of a software system, with the primary goal of ensuring that the software functions as intended and meets user requirements. It involves analyzing error reports, reproducing and isolating the problem, identifying its root cause, designing and implementing a solution, testing the changes, and documenting the fix. Corrective maintenance is an essential part of software maintenance and helps to ensure the long-term viability and reliability of software systems.