A: Applications should be protected so that other PC users like your kids, parents, family members, co-workers and friends cannot use them without your permission (password). Apps left unprotected can lead to data mess or loss and breaches of privacy, which may make you lose money, time and even your job. What's more you can better manage your children by controlling the use permission of all the applications in your computer, including their favorite game apps.

A: PCBooster Free App Lock is a revolutionary privacy protection tool in data security that allows you to encrypt your applications and optionally backup your encrypted apps for your spare use, keeping your programs protected at all times so that you won't have to worry about confidentiality of your applications.

A: Backup is an advanced backup function of PCBooster Free App Lock that enables you to back up the encrypted application in case any error occurs or you forget the password you set for the application and can't unlock the encrypted one.

A: Encrypting in PCBooster Free App Lock refers to the process of protecting your programs by putting a protective lock on them. With the "Lock" feature, any application that you have locked will be instantly locked from access, even in Windows Safe Mode.

A: Yes, the protection will still work fine.

A: Simply click the "Browse" button to add apps you want to encrypt and then set customized passwords to lock the designated applications.

A: Absolutely! PCBooster Free App Lock provides advanced end-to-end data protection for all your data and information. There is no way these types of programs can harm your protected files.