Preventon PC Revitalizer is a Windows registry cleanup and PC optimization tool designed to identify and remove invalid or obsolete entries that can degrade system performance. The tool scans the Windows registry for a range of issues including: - Invalid add/remove program entries (leftover registry paths from uninstalled software) - Invalid file paths left behind by various programs - Missing startup program entries - Invalid custom control entries - Invalid uninstall entries - Obsolete software registry entries - Invalid file associations caused by registry corruption - Missing or redundant shared DLL references - Unused or outdated help file references PC Revitalizer offers a free version that scans the PC and fixes the first 35 detected errors at no cost. It also includes startup program management as part of the free tier. A paid subscription unlocks unlimited repairs. The tool is described as automated, allowing for scheduled or regular PC checks without manual intervention.