calculate lock

Lock and unlock any program on your pc so it cannot be used.

Lock your desktop with a password and spy on your PC users.

Lock your system with a password

Lock & Restrict pdf for edit content by encrypting pdf data with 128 bit AES

Lock computer to prevent unwanted access, keep people off your computer.

Lock your files,folders and drives very fast at windows kernel level 100%secure.

Lock down your browser and prevent unauthorized access to the Internet。

Lock your screen with a password.

Lock, hide, and password-protect your all private files and folders.

Lock and hide your files, folders and drives to deny access, remove, deletion.