Works great - very useful
HijackThis - HijackThis is a malware detection and removal tool that's ideal for users who demand more granular control over every aspect of their computer's performance.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
AdwCleaner - AdwCleaner is a free removal tool for : Adware (ads softwares)
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Spybot - Search & Destroy - Spybot Search & Destroy is an anti-malware, adware and antivirus program for safe removal of the threats from the PC and browser.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode