Si sinon Problème commandant lot

J'ai un problème sur si sinon dans le script de commandes de commandement ...

dans le bloc-notes:

CODE: P>

@echo off

::SETTINGS:::::::::::::::::::::::
set filetxt =userpass.txt
set log=logfile.log
set timer=900
::set default = true
::set user = 0
::set pass = 0
:::::::::::::::::::::::::::::::::


:STARTER
ECHO.>>%log%
ECHO ========START========>>%log%
SetLocal EnableDelayedExpansion
Set n=
Set _InputFile=%filetxt%
For /F "tokens=*" %%I IN (%_InputFile%) DO (
Set /a n+=1
Set acct!n!=%%I
)
set router_ip=%acct1%
set user=%acct2%
set pass=%acct3%
GOTO :CHECKFILE1


:CHECKFILE1
CLS
IF EXIST curl.exe ( GOTO :CHECKFILE2 ) else (
ECHO ERROR: curl.exe was not found.>>%log%
ECHO ERROR: curl.exe was not found.
ECHO.
ECHO.
GOTO :PAUSEEXIT
)

:CHECKFILE2
CLS
IF EXIST sleep.exe ( GOTO :CHECKACCOUNT ) else (
ECHO ERROR: sleep.exe was not found.>>%log%
ECHO ERROR: sleep.exe was not found.
ECHO.
ECHO.
GOTO :PAUSEEXIT
)

:CHECKACCOUNT
if /I "%user%"=="insertusername" GOTO ACCOUNT
GOTO CHECKPASSACCT

:CHECKPASSACCT
if /I "%pass%"=="insertpassword" GOTO ACCOUNT
GOTO COUNTER

:ACCOUNT
CLS
::if %default% = true ( GOTO :COUNTER ) ELSE (
ECHO To edit/change USERNAME and PASSWORD... Please type: OPTION
ECHO.
SET /P user="Please enter the username of your Router:"
IF /I %user%==OPTION ( Goto :EDITBAT )
CLS
ECHO To edit/change USERNAME and PASSWORD... Please type: OPTION
ECHO.
SET /P pass="Please enter the password of your Router:"
IF /I %pass%==OPTION ( Goto :EDITBAT )
CLS
set /a i = 1
GOTO :CHECKACCOUNT
::)

:EDITBAT
start /WAIT notepad %filetxt%
set router_ip=%acct1%
set user=%acct2%
set pass=%acct3%
GOTO :CHECKACCOUNT

:COUNTER
IF %i%==0 ( GOTO :RESETROUTER ) ELSE (
ECHO WAIT %i% seconds...
sleep 1
set /a i = i - 1
CLS
GOTO :COUNTER
)


:RESETROUTER
CLS
ECHO READY to RESET....
ECHO Preparing....
sleep 2

sleep 2
CLS
ECHO Processing....
sleep 5

sleep 2
CLS
ECHO Success....
sleep 5
set /a i = %timer%
CLS
GOTO :COUNTER

:PAUSEEXIT
PAUSE

:EXIT
ECHO.>>%log%
ECHO ========END OF LOG FILE========>>%log%