Protect Your System from Sticky Key attack

Hello Guys,
Today i am not telling you How to hack a computer.This Time I wanna tell you some more about the Sticky keys Attack  i.e totally about making a backdoor  in other system by replacing sethc.exe file with cmd.exe and after that u have to press Shift key 5 times on login screen and you get the cmd or command Prompt on login screen and run the ‘net user ’ command to change the password  of administrator or any account in the system. This is all about the attack, now how can I Secure my system by this attack for that you have to fallow few steps  as fallowing:
Windows XP:

1. Check for sticky key backdoor “By pressing sticky key  5 times on login screen ”  whenever  you turn on the computer .
2. Turn off the sticky Keys .
3. Or you can use this step to disable the ‘net user’ command, so that if anybody make a backdoor  in your system but he can’t change your password .
   1. Open the folder c:\windows\system32
   2.  Search for ‘Net.exe’ over there and replace it with ‘cmd.exe’ or with any other ‘.exe’ file.
   3. Open the file by inserting this address c:\windows\system32\dllcache on file browser manually and change the ‘net.exe’ with ‘cmd.exe’ or any other ‘.exe’ file.

Windows 7:

1. Check for sticky key backdoor “By pressing sticky key  5 times on login screen ”  whenever  you turn on the computer .
2. Turn off the sticky Keys .
3. Or you can use this step to disable the ‘net user’ command, so that if anybody make a backdoor  in your system but he can’t change your password .
   1. Open the folder c:\windows\system32
   2. Search for ‘Net.exe’ over there and replace it with ‘cmd.exe’ or with any other ‘.exe’ file.
   3. Open the file by inserting this C:\Windows\winsxs\x86_microsoft-windows-net-command-line-tool_31bf3856ad364e35_6.1.7600.16385_none_5208a7a3d3caa54c on file browser manually and change the ‘net.exe’ with ‘cmd.exe’ or any other ‘.exe’ file.

Enjoy...