MakeUseOf Answers is a Q&A forum. Our community solves your questions about anything related to the Internet and computers. It's free. Ask A QuestionQuestions tagged "ccleaner" All questions Resolved Unresolved Could CCleaner and a malware scan cause serious problems in Windows? Why is my hard disk space reducing after watching online videos? Does CCleaner uninstall programs including the registry entries and other supporting files? What are good registry cleaners other than CCleaner and how can I speed up my PC?