Akala EXE Lock password protects any program currently residing on your hard drive. An attempt to run a program that's locked down will result in a dialoge box launching asking for the password. Failure to provide the correct password prevents the program from fully launching.

Akala EXE Lock is most useful in situations where you want to stop people from getting to certain files but don't want to deal with hassle of constantly encrypting and decrypting those files every time you want to use them.