Apple Certified Support Professional Practice Exam 2025 – Complete Prep Guide

Re-installing an application typically resolves performance issues across user accounts. When an application is re-installed, it removes any corrupted files, old settings, or misconfigurations that might be causing the application to function poorly. This action ensures that the application operates with a clean slate, allowing it to perform optimally regardless of the user account in use. It can help resolve issues like slow performance, crashes, or unexpected behaviors that may have developed over time or through user-specific data corruption.

The other options refer to different issues that may not be effectively addressed through re-installation alone. For instance, user account permission errors usually relate to specific access rights and would require adjustments in user settings or permissions rather than a simple reinstallation of the app. While re-installing an application can facilitate the installation of new updates, it doesn't directly address issues stemming from previous installations or settings. Similarly, system compatibility errors often involve broader system settings or conflicts with the operating system itself, which a re-installation would not rectify.