Problem in Batch/MS-DOS scripting

@ECHO OFF
STARTLOCAL
COLOR 0A
GOTO WELCOME

:START
CLS
GOTO STARTCHECK

:STARTCHECK
ECHO Performing An Error Check On Your Directories...
ECHO NOTE: Analyzing Only
ECHO -
SET origdir=%cd%
SET origdrive=
SET user=%userprofile%
SET cook=%user%\Cookies
SET temp=%user%\Local Settings\Temp
SET TIFS=%user%\Local Settings\Temporary Internet Files
SET SYST=%systemroot%\Temp
GOTO CHECK

:RESTCHECK
ECHO All Checks Have Been Completed Successfully.
PAUSE
GOTO LICENCE

:CHECK
ECHO Atempting To Access: %systemdrive%
%systemdrive%
ECHO Atempting To Access: %cook%
SET noteErrordir=%cook% & cd "%cook%" & IF NOT "%cd%"=="%user%\Cookies" SET ER=true
ECHO Atempting To Access: %temp%
SET noteErrordir=%temp% & cd "%temp%" & IF NOT "%cd%"=="%user%\Local Settings\Temp" SET ER=true
ECHO Atempting To Access: %TIFS%
SET noteErrordir=%TIFS% & cd "%TIFS%" & IF NOT "%cd%"=="%user%\Local Settings\Temporary Internet Files" SET ER=true
ECHO Atempting To Access: %SYST%
SET noteErrordir=%SYST% & cd "%SYST%" & IF NOT "%cd%"=="%systemroot%\Temp" SET ER=true
GOTO RESTCHECK
IF %ER%==true GOTO _ERROR
IF NOT %ER%==true GOTO RESTCHECK

:WELCOME
CLS
ECHO Hello %username%,
ECHO -
ECHO Thank You For Running The Disk Clean-up Created By Colton22, What This Files Does Is It Purges (Deletes) All Files That Were Created By Browsing The Internet and/or All Temporary Files Created and Left Over By Programs,ECHO These Folders Locations Are...
ECHO 	 - %userprofile%\Cookies
ECHO 	 - %userprofile%\Local Settings\Temp
ECHO 	 - %userprofile%\Local Settings\Temporary Internet Files
ECHO 	 - %systemroot%\Temp
ECHO 	 - %userprofile%\Desktop\Recycle Bin
ECHO As Shown Above, All Information Is Extracted From The Following Information...
ECHO 	Your Current Operating System: %OS%
ECHO 	Your Current Domain Name: %userdomain%
ECHO 	Your Current User Name: %username%
ECHO 	Your System Root Directory: %systemroot%
ECHO 	Your User Directory: %userprofile%
ECHO To Move On
PAUSE
GOTO START

:LICENCE
PUSHD "%origdir%"
md "Agreed_Users"
cd "Agreed_Users"
ATTRIB +H +R "..\Agreed_Users"
cd "%userdomain%_%username%_%OS%"
IF "%cd%"=="%origdir%\Agreed_Users\%userdomain%_%username%_%OS  %" GOTO CONT
CD "%origdir%"
CLS
ECHO Licence Agreement For Disk Clean-up Created By Colton22
ECHO NOTE: To Go To The Next Page Press The Space Bar ^[  SPACE  ^]
PAUSE
MORE License.txt /E /P /T5 +3
ECHO -
ECHO -
ECHO End Of End-User Licence Agreement
PAUSE
GOTO checkagree

:checkagree
CLS
ECHO NOTE: Next Step IS Case Sensitive
SET /P doesuseragree?=If You Do Not Agree To The Licence Agreement, Type The Following "I Disagree", If You Agree To The Licence Agreement Just Shown Type The Following "I Agree" and Press Enter:
IF NOT "%doesuseragree?%"=="I Agree" IF NOT "%doesuseragree?%"=="I Disagree" GOTO AGREE2
IF "%doesuseragree?%"=="I Agree" GOTO SETFILEFORAGREE
IF "%doesuseragree?%"=="I Disagree" GOTO DIFFEXIT

:AGREE2
SET /P doesagree2?=I^'m Sorry, I Couldn^'t Understand Your Last Statment, Would You Like To Try Again? ^(y=yes^|n=no^)
IF NOT %doesagree2?%==Y IF NOT %doesagree2?%==N IF NOT %doesagree2?%==y IF NOT %doesagree2?%==n GOTO AGREE2 
IF %doesagree2?%==y GOTO checkagree
IF %doesagree2?%==Y GOTO checkagree
IF %doesagree2?%==n GOTO DIFFEXIT
IF %doesagree2?%==N GOTO DIFFEXIT


:DIFFEXIT
CLS
ECHO Thanks For Running The Disk Clean-up By Colton22
pause
exit

:SETFILEFORAGREE
PUSHD "%origdir%\Agreed_Users"
MD "%userdomain%_%username%_%OS%"
ATTRIB +H +R "%userdomain%_%username%_%OS%"
POPD
GOTO CONT

:CONT
POPD
CLS
GOTO _DELETE

:_ERROR
COLOR C0
ECHO An Error Has Occured While Accessing One Of The Above Directorys...
ECHO -
ECHO Please Make Sure You Have Access To This Directory and Run This File Again.
PAUSE
ECHO ON
EXIT

:_DELETE
ECHO The Following Will Delete All Of Your Temporary Internet Files
SET /P isoktodelete=Continue? ^(y=yes^|n=no^)
IF NOT %isoktodelete%==N IF NOT %isoktodelete%==Y IF NOT %isoktodelete%==n IF NOT %isoktodelete%==y GOTO _DELETE
IF %isoktodelete%==y GOTO _CONTDELETE
IF %isoktodelete%==Y GOTO _CONTDELETE
IF %isoktodelete%==n GOTO _DEFRAGA
IF %isoktodelete%==N GOTO _DEFRAGA

:_CONTDELETE
CD %cook%
IF %cd%==%cook% DEL *.* /S /Q
CD %temp%
CD ..\
IF %cd%=="%userprofile%\Local Settings" (RD /S /Q "Temporary Internet Files" "Temp" & MD "Temporary Internet Files" "Temp")
CD %SYST%
IF %cd%==%SYST% (CD ..\ & RD /S /Q "Temp" & MD "Temp")
pause
goto _DEFRAGA

:_DEFRAGA
CLS
cd\
ECHO Defragmentor...
ECHO -
DEFRAG %cd% -A
ECHO - 
GOTO ASK

:_DEFRAG
DEFRAG %cd%
GOTO ENDSCREEN

:ASK
SET /P isoktodefrag=Do You Wish To Defrag? ^(y=yes^|n=no^)
IF NOT %isoktodefrag%==n IF NOT %isoktodefrag%==y IF NOT %isoktodefrag%==Y IF NOT %isoktodefrag%==N GOTO ASK
IF %isoktodefrag%==y GOTO _DEFRAG
IF %isoktodefrag%==Y GOTO _DEFRAG
IF %isoktodefrag%==n GOTO ENDSCREEN
IF %isoktodefrag%==N GOTO ENDSCREEN

:ENDSCREEN
COLOR C0
CLS
ECHO All Tasks Have Been Completed Except One (CHKDSK)
SET /P isoktochkdsk=Complete The Last Task? ^(y=yes^|n=no^)
IF NOT %isoktochkdsk%==y IF NOT %isoktochkdsk%==n IF NOT %isoktochkdsk%==Y IF NOT %isoktochkdsk%==N GOTO ENDSCREEN
IF %isoktochkdsk%==y GOTO CKDK
IF %isoktochkdsk%==Y GOTO CKDK
IF %isoktochkdsk%==n GOTO END
IF %isoktochkdsk%==N GOTO END

:CKDK
COLOR 0A
CLS
CHKDSK
GOTO CHKASK

:CHKASK
ECHO If There Were Problems Found Would You Like To Fix Them?? ^(y=yes^|n=no^)
SET /P isoktofixprobs=
IF NOT %isoktofixprobs%==y IF NOT %isoktofixprobs%==n IF NOT %isoktofixprobs%==N IF NOT %isoktofixprobs%==Y GOTO CHKASK
IF %isoktofixprobs%==y (CHKDSK /F /V & GOTO END)
IF %isoktofixprobs%==Y (CHKDSK /F /V & GOTO END)
IF %isoktofixprobs%==n GOTO END
IF %isoktofixprobs%==N GOTO END

:END
ENDLOCAL
COLOR 0A
CLS
ECHO All Problems Have Been Fixed, Thank You For Using Disk Clean-up By Colton22!
PAUSE 
ECHO On
EXIT