$RUTGUIDList = @(
    "{B159125C-6EAA-409F-8F12-C5388879372F}",
    "{9B149A31-6736-4195-8F11-4FDCF6D84DE1}")
foreach ($guid in $RUTGUIDList) {
    Start-Process "msiexec.exe" -ArgumentList "/x ${guid} /qn" -Wait
}