Automatically fix Windows registry problems and improve system performance. Stop computer crashes! Registry problems are the common cause of Windows crashes, error messages, and degraded performance! RegDoctor can safely and quickly clean and repair Windows registry problems with a few simple mouse clicks! RegDoctor uses an intelligent, high-performance detection engine to accurately identify missing and invalid references in your Windows registry. Identified registry problems are listed and rated by risk level using an easy to understand color-coded system for your information.