RegistryCare (or Registry Care) is a rogue registry cleaner program. Usually RegistryCare can be downloaded and installed with a help of Trojans, malware, or even virus, through user's browser security holes. After RegistryCare is installed it will start to display fake security messages, fake scan results that his privacy is in risks and it will try to trick user into buying the "full" version of RegistryCare program. RegistryCare can cause system slowdown and instability. This program can be extremely difficult to manually remove. Delete RegistryCare as soon as possible!