So Easy to Use!!! EXELock can password protect your programs. Your email, word processor, browser or ANY other programs you choose will only work with your password! Protect your computer and your privacy with EXELock. Keep your children from browsing the internet without your permission! You can either browse for the program you want to lock, or simply drag it to the select box! Nothing could be easier! Set the password and click Lock. The program will no longer run without the password, there is no way around it!