People are never going to learn that sites like Zygor Guides, Dugi, and other premium site actively search out accounts that leak and share the guides and close them down thus cutting off OUR SOURCE OF CURRENT UPDATES! They use methods much like Whoknowsit did by embedding an encrypted tag somewhere with your username or account number so they can trace the leak back to the account. Just as Whoknowsit did.
Besides registry cleaner, it is also necessary to perform a defrag for your computer hard drive regularly, which is not only a good way to optimize your computer system's structure, but also can help you clean those fragments created in the incomplete program removal. There is a specific computer defrag utility available on the Windows operating system that enables the computer user to perform a defrag for the computer disk, or you can choose a free third party defrag tool like Auslogics Disk Defrag that opimize your computer disk in a quicker and more effective way.