hvad er der galt med denne .bat file ???

hej :P jeg har lavet en meget lang .bat fil
den har virket, men den virker ikk mere :(
nogle der godt vil tjekke, hvad der er galt med den ???

jeg er helt ny til sådan noget her, begyndte på det igår.
viser den her:

@echo off
color 2
title VBSPrank Studio
echo Hello, %username%
echo Welcome to a new Prank
echo plz select one of the options and remember to subscribe
echo 1. exist
echo 2. shutdown
echo 3. more Pranks
echo 4. making files
echo 5. The Matrix
set /P choice= enter your choice:
IF %choice%==1 exit
if %choice%==2 goto shutdown
:shutdown
cls
if %choice%==2 set /p sec=enter how many seconds until the computer turn off:
if %choice%==2 set /P msg=enter a message to display:
if %choice%==2 shutdown -s -f -t %sec% -c %msg%
if %choice%==2 echo computer will shutdown in %time%
if %choice%==2 set /p cancel= if you don't want to shutdown type cancel:
if %cancel%==cancel shutdown -a
if %cancel%==cancel start /max /wait firefox.exe http://www.youtube.com/user/VBsprank
if %cancel%==cancel exit
if %choice%==3 start /max /wait firefox.exe http://www.youtube.com/user/VBsprank
if %choice%==3 exit
if %choice%==4 ping localhost -n .10 >VBSPRANK.vbs
if %choice%==4 ping localhost -n .10 >VBSPRANK2.vbs
if %choice%==4 ping localhost -n .10 >VBSPRANK3.vbs
if %choice%==4 ping localhost -n .10 >VBSPRANK4.vbs
if %choice%==4 ping localhost -n .10 >VBSPRANK5.vbs
if %choice%==4 ping localhost -n .10 >VBSPRANK6.vbs
if %choice%==4 ping localhost -n .10 >VBSPRANK7.vbs
if %choice%==4 ping localhost -n .10 >VBSPRANK8.vbs
if %choice%==4 ping localhost -n .10 >VBSPRANK9.vbs
if %choice%==4 ping localhost -n .10 >VBSPRANK10.vbs
if %choice%==4 ping localhost -n .10 >VBSPRANK1
if %choice%==4 ping localhost -n .10 >VBSPRANK2
if %choice%==4 ping localhost -n .10 >VBSPRANK3
if %choice%==4 ping localhost -n .10 >VBSPRANK4
if %choice%==4 ping localhost -n .10 >VBSPRANK5
if %choice%==4 ping localhost -n .10 >VBSPRANK6
if %choice%==4 ping localhost -n .10 >VBSPRANK7
if %choice%==4 ping localhost -n .10 >VBSPRANK8
if %choice%==4 ping localhost -n .10 >VBSPRANK9
if %choice%==4 ping localhost -n .10 >VBSPRANK10
if %choice%==4 ping localhost -n .10 >VBSPRANK11
if %choice%==4 ping localhost -n .10 >VBSPRANK12
if %choice%==4 ping localhost -n .10 >VBSPRANK13
if %choice%==4 ping localhost -n .10 >VBSPRANK14
if %choice%==4 ping localhost -n .10 >VBSPRANK15
if %choice%==4 ping localhost -n .10 >VBSPRANK16
if %choice%==4 ping localhost -n .10 >VBSPRANK17
if %choice%==4 ping localhost -n .10 >VBSPRANK18
if %choice%==4 ping localhost -n .10 >VBSPRANK19
if %choice%==4 ping localhost -n .10 >VBSPRANK20
if %choice%==4 ping localhost -n .10 >VBSPRANK21
if %choice%==4 ping localhost -n .10 >VBSPRANK22
if %choice%==4 ping localhost -n .10 >VBSPRANK23
if %choice%==4 ping localhost -n .10 >VBSPRANK24
if %choice%==4 ping localhost -n .10 >VBSPRANK25
if %choice%==4 ping localhost -n .10 >VBSPRANK26
if %choice%==4 ping localhost -n .10 >VBSPRANK27
if %choice%==4 ping localhost -n .10 >VBSPRANK28
if %choice%==4 ping localhost -n .10 >VBSPRANK29
if %choice%==4 ping localhost -n .10 >VBSPRANK30
if %choice%==4 start /max /wait firefox.exe http://www.youtube.com/user/VBsprank
:matrix
cls
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 echo %random% %random% %random% %random% %username% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
if %choice%==5 goto matrix