Want to keep your PC clean If sharing your PC with less trained computer users you'll experienced the major problems that can arise as they mess around with your settings and unknowingly set up messy software. Windows 7 can help you to avoid these installations.
Set up PC Safeguard on the kids' account and they'll can log on and use the PC as normal – ass soon they log off , any installation they've changed are reversed, files they've saved are deleted and your computer is returned to its original state.
Restrict other users If Safeguard isn't sufficient, setup AppLocker. Giving you even more control, as it enable users to only the programs you define. It's able to automatically create rules for your installed programs, and other rules can be added in seconds.