A nickname for EMD SD9 locomotives, in reference to their smooth ride quality reminiscent of a Cadillac automobile. This nickname is said to have originated on the Southern Pacific Railroad.
Microsoft's Windows Malicious Software Removal Tool (MSRT) is a free program that removes a whole host of the most popular malicious software (malware). Many Windows users have it installed and run it monthly, yet are not aware of its existence.
Defend your computer against viruses, spyware, and other malware. Microsoft Security Essentials is a free download for Windows 7 that helps protect your computer from viruses, spyware, worms, Trojans, and other malware. For more information, see Help protect your PC with Microsoft Security Essentials. Windows 7 also includes Windows Defender, software that helps protect your computer from pop-up ads, slow performance, and security threats caused by spyware and other unwanted software. For more information, see Using Windows Defender. Note: In Windows 8, Windows Defender replaces Microsoft Security Essentials.