@echo off
setlocal

rem count # of args
set argC=0
for %%x in (%*) do Set /A argC+=1

if not %argC%==1 (
    echo usage: %~nx0 "<msi path (using '\' separators)>"
    exit /B 1
)

set msipath=%1
msiexec /uninstall %msipath%