https://blog.faceutil.com/2017/03/25/auslogics-registry-cleaner-%ea%b0%95%eb%a0%a5%ed%95%9c-%eb%a0%88%ec%a7%80%ec%8a%a4%ed%8a%b8%eb%a6%ac-%ec%a0%95%eb%a6%ac%ea%b8%b0-%e3%88%88/