Win Vaccine is the definitive choice for immunizing PC's from on-line and off-line activities. It's a Windows Internet cleaner, system cleaner, PC optimizer and privacy protector all in one! Key Features: - Safely eliminates files and folders that clog your PC's hard drive. This optimizes drive space and therefore increases PC performance. - Cleans up free space so that all parts of of previously deleted files are removed. - You can choose the cookies and plugins that you want to keep. This will optimize your Internet experience. - Instantly detects and cleans the most popular programs and windows plugins. - 5 modes of "Shredding" provides more sophisticated options to increase security by completely overwriting files, making it impossible for recovery. - Support for messaging programs such as Outlook Express, MSN Messenger, Yahoo Messenger, and AOL Messenger.