WinZip Registry Optimizer is a registry cleaner software designed to help improve the performance of your Windows-based PC. The registry scan took 49 seconds to scan our test computer's registry and found 170 errors. The scan summary screen provided detailed information about each discovered error. With the software, you can choose to either exam each error individually or to use the single button cleaner and allow WinZip Registry Optimizer to repair the errors according to the software's recommendations.The software has a registry defrag tool to better organize your system's registry for increased performance. The registry defrag tool includes a progress screen, which is useful as it provides a time frame to the lengthy defragmentation repair.