The Windows registry is a huge database that ensures normal computer operation. Installing and uninstalling software can make your registry a mess, leading to decreased PC performance and causing computer crashes. Registry Medic uses a highly intelligent engine to scan your computer's registry for invalid registry entries. With the click of a button, you are able to repair or remove registry entries that refer to a file or folder that has been moved or deleted. You can also scan and remove invalid software data and Start menu data from the registry. Furthermore, this easy-to-use utility can kill trojan viruses that use the registry to spread and do damage to your PC.