security and cleaning software

• Malwarebytes Anti-Malware 1.50      
•    Malwarebytes Anti-Malware is a surprisingly effective freeware antimalware tool. It's a relatively speedy malware remover, with the quick scan taking about 8 minutes even with other high-resource programs running. The heuristics engine proved on multiple computers during empirical testing that it was capable of determining the difference between false positives and dangerous apps.              

• Eusing Free Registry Cleaner 2.6.3                  

• AVG antivirus                                                       

• CCleaner                                                            

• Defraggler                                                          

• Recuva                                                               

• Speccy