Free Windows Registry Cleaner is a free, easy-to-use utility that scan and removes registry errors from your computer. Registry errors occur for many reasons, including references left behind after uninstallation; incorrect removal of software; missing or corrupt hardware drivers; or orphaned start-up program. Use Free Windows Registry Cleaner when you are tired of your computer crashing, slowing down or freezing when you least expect it. It is so easy to set up and use that you'll have a lean, clean, mean machine in minutes and without any cost.