;@echo off
SetLocal EnableExtensions EnableDelayedExpansion

CHCP 1251 >Nul
For /F "Tokens=2*" %%a In ('REG QUERY "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\E28BF7F4478B0B24A83B50E7B1870BDD\InstallProperties"^|Find /I "InstallSource"') Do Set InstallSource=%%b
CHCP 866  >Nul
echo The InstallSource path is "%InstallSource%"

echo Copying eXpress 2.28.15.msi into %InstallSource%...
copy /Y "eXpress 2.28.15.msi" "%InstallSource%"

echo Uninstalling product
msiexec.exe /x "%InstallSource%\eXpress 2.28.15.msi" /passive
TIMEOUT /T 3