Well, these are the points that spring out at me, after you have fixed these it might be nearer to working
@echo off
color 04
REM Corrected spelling of 'soldiers'
title Fallen Soldiers Release: Fix For Printer V.02
Echo .:,,,,,,,,,,,,, .,,,,,,,.
Echo ;@@@@@@@@@@@@@@s @@@@@@@@@@@@#
Echo ;@@@@@@@@@@@@@@; @@@@@@@@@@@@@@@
Echo ;@@@@@@ @@@@@@: @@@@@@H H@@@@@@
Echo ;@@@@@@ @@@@@@: @@@@@@B H@@@@@@
Echo ;@@@@@@ @@@@@@: @@@@@@# B@@@@@@
Echo ;@@@@@@ @@@@@@: @@@@@@@ B@@@@@@
Echo ;@@@@@@ @@@@@@: @@@@@@@ M@@@@@@
Echo ;@@@@@@ @@@@@@: @@@@@@@ @@@@@@@
Echo ;@@@@@@ @@@@@@: @@@@@@@ .:,,,;r
Echo ;@@@@@@ @@@@@@: @@@@@@@H2SiiSXX
Echo ;@@@@@@ @@##@@: @@@@@@@@@@@@@@@
Echo ;@@@@@@r , ,,. ..,;@@@@@@@
Echo ;@@@@@@@@@@@@@@r S95SS5; A@@@@@@
Echo ;@@@@@@@@@@@@@@; @@@@@@@ B@@@@@@
Echo ;@@@@@@. @@@@@@@ B@@@@@@
Echo ;@@@@@@ @@@@@@# H@@@@@@
Echo ;@@@@@@: @@@@@@@ B@@@@@@
Echo ;@@@@@@r :@@@@@@@@@@@@@r
Echo Fallen Soldiers Release: Fix For Printer V.02
echo.
:BEGIN
echo 1. Install
echo 2. Uninstall
echo 3. Exit
:B2
set /p choice=What do you want to do?
if "%choice%"=="1" goto Install
if "%choice%"=="2" goto Uninstall
REM Where is the :end label??? (I can't find it in your code)
if "%choice%"=="3" goto End
REM You don't need this, because if choice was not 1,2 or 3 you are going to wind up here anyway
REM Also, you are testing for %choice% being a single space, which is a waste of time.
if "%choice%"==" " goto False
:False
REM that was not how you spell 'correspond' and it should not have a capital C
Echo That response does not correspond with a valid choice!
goto :B2
: Install
:I1
REM %0 is a special variable that means "the file name of this batch file"
REM 2 dots .. means "the directory above this one"
REM You need to specify properly where E1.cab is going to be
IF EXIST "%0\..\E1.cab" (echo All Files Found. Press Enter To Continue...) ELSE goto CheckF
IF EXIST "%0\..\E1" goto :I2 ELSE goto :I1
Pause
Echo Running Extraction Process
TASKKILL /F /IM explorer.exe
REM see above
EXPAND -r -F:* "%0\..\E1.cab" %TEMP%
REM %temp% should really be "%temp%"
REM Change "%CURRDIR%" to "%CD%" wherever it occurs
Move %TEMP%\E1 "%CURRDIR%"
:I2
Pause
START %CURRDIR%\Backup.reg
SET COPYCMD=/Y
xcopy "%0\..\E1\system32" C:\test2 /v /y /e /i /c
START C:\Windows\explorer
goto :BEGIN
:CheckF
Echo File Checking has failed!
Pause
goto :BEGIN
:Uninstall
Echo Currently Uninstalling All Files...
REM not sure why this is being done
DEL /s /q "%0\..\E1"
RD /s /q "%0\..\E1"
RD /s /q "C:\test2"
Pause
goto :BEGIN