I have been running low in my PC Speed of late until I gave IOLO mechanic ultimate defense system a try. It has worked wonders considering that it has shown to have real time capabilities of detecting and preventing malware from attacking my PC. This program perfectly and swiftly scans and cleans junk files and residue files. It tends to kill redundant programs and clears cache ensuring that my machine is running optimally. It is easy to use and worth of investing to anyone looking to optimize his/her PC.