Save the following text with a .bat extension and execute it to force a re install (update the text in red)
@echo off
WMIC product where name="productNameAsItAppearsInAddRemovePrograms" call uninstall
MyMsiName.msi REINSTALLMODE=amus
pause
@echo off
WMIC product where name="productNameAsItAppearsInAddRemovePrograms" call uninstall
MyMsiName.msi REINSTALLMODE=amus
pause