It's quite easy to 'undelete' them and use in ways you probably will not be happy about.

Simply deleting them doesn't make them go for good. 'Another source of identity theft are files with sensitive information. No doubt, BoostSpeed gives you your money's worth.' 'BoostSpeed is an effective all-encompassing utility suite, combining some of Auslogics' popular freeware titles with services that they don't offer elsewhere. 'Of all the optimisation tools I've tested over the past few years, I'm happy to write that Auslogics BoostSpeed is one of the most comprehensive and user friendly. For additional speed boost it will fix registry errorrs and optimize your Internet settings.' It will remove junk files and optimize the one-sit-fit-all Windows settings to your hardware. 'Removing junk files manually can be a tedious process, but a nifty software from down under called Auslogics BoostSpeed can do it for you automatically. You can defragment your disk with the built-in tool from Microsoft, however we recommend using the faster and more avdnaced version in Auslogics BoostSpeed.'

'To prevent system slowdown from happening, regular defragmentation of your disk and registry is recommended. With this program you can maintain your PC at top speed with just a click of a button once a week.' 'It is almost impossible to manually remove junk files and registry errors, but there are some handy tools out there that can do it for you. Auslogics BoostSpeed includes modules and wizards for just about any kind of tweak or optimization you can imagine.' 'This system optimization tool suite takes an everything-plus-the-kitchen-approach to cleaning, optimizing, and potentially speeding up your PC.

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