Lock executable programs on your computer to password-protect any executable file from non-authorized execution. You can block running the senstive software when anyone runs the locked programs. Software Trojans, viruses, spyware, and other malware can not only damage or destroy your computer data but is also capable of modifying the binary file of software. Do not worry after lock them. GiliSoft EXE Lock offers the password protection for executable programs but it will not change the source binary file. So no chance to destroy the source file or cause incompatibility. When user clicks on icon or shortcut on Desktop, he will be asked for a password to access that app. After user supplies password and app launches, or no password/wrong password, no app. No need to study "How to Password Protect Internet Explorer, Firefox and Chrome Browsers" Use GiliSoft EXE Lock to lock them is the easiest solution. Lock media players like WMP, RealPlayer, KMPlayer. The vast majority of parents love their children and want the best for them, parents can use EXE Lock to lock the video player on home computers. Use this light weight tool to protect your privacy and keep people out of your identity theft or fraud by some chat tools. You can run GiliSoft Exe Lock with commamd line arguments to lock or unlock programs.