WinXP Find Registry Key by Value Data

:: Based off of http://superuser.com/a/609174/127811
@echo off
setlocal EnableExtensions
set "RegKey=HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall"
set "Search=EMC Avamar for Windows"

for /f "tokens=1* delims=[]" %%A in ('reg query "%RegKey%" /s ^| find /i /n "%Search%"') do (
    set "ValuePos=%%A"
    set "Value=%%B"
)

if defined ValuePos for /f "tokens=1* delims=[]" %%A in ('reg query "%RegKey%" /s ^| find /i /n "%RegKey%"') do (
    if %ValuePos% gtr %%A SET "Key=%%B"
)

echo(%Key%
echo(%Value%
pause>nul
endlocal