WhenUSave is adware application, which may be installed alone, or bundled with other freeware applications. WhenUSave shows various advertisements which come up in pop-up windows. These pop-up advertisements may be very annoying as they will show up constantly.
Adware application WhenUSave tracks your web browsing activities and later uses this information to show advertisements that match your taste. WhenUSave also uses active protection against attempts to remove it. If you will be successful with the removal, soon you will notice, that those shareware programs which had WhenUSave bundled, will not work anymore. WhenUSave may also slow down your computer performance and even internet connection speed.