From Reason Software:
Boost helps you gain back control of your PC by improving performance and stability with one click. Boost maintains performance and stability by preventing unnecessary programs from consuming system resources and affecting critical programs. When you start to feel your PC become sluggish, don't reboot, simply give your PC an instantaneous Boost with just one click. Boost helps to restore the pep in your PC by removing crapware, bloatware, trialware, bundleware, and adware. Such "crapware" (and yes that's an industry term) are known to cause system crashes, boot delays and just give your PC an overall sluggish feel. There are many forms of such extraneous software such as unneeded toolbars, adware, tracking programs, and other "free promotional software" to name a few. Think of crapware as being, just a whole mess of clutter that is causing your PC to feel bogged down. Boost can help shave seconds, or even minutes, off your PC boot time. By automatically removing unnecessary start-up programs as well as empowering you to make informed decisions of which programs are truly needed, Boost cuts down your boot time and saves you precious system resources. All with the click of a button. When a program crashes, Boost can quickly analyze, troubleshoot and find a solution to prevent future crashes by identifying and correcting the cause of problems. Boost proactively monitors your PC for hardware and software issues in order to prevent Blue Screens and other fatal system errors. Boost keeps you in the loop by alerting you before hardware errors occur and you lose your critical data. There is nothing better than the feeling of a brand new PC. However, over time your PC quickly becomes sluggish, bogged down with tons of programs and clutter. With Boost, one click is all it takes to make your PC feel like new again.