@exit /b

:embed:
function UninstallLicenses($DllPath) {
    $TB = [AppDomain]::CurrentDomain.DefineDynamicAssembly(4, 1).DefineDynamicModule(2).DefineType(0)
    
    [void]$TB.DefinePInvokeMethod('SLOpen', $DllPath, 22, 1, [int], @([IntPtr].MakeByRefType()), 1, 3)
    [void]$TB.DefinePInvokeMethod('SLGetSLIDList', $DllPath, 22, 1, [int],
        @([IntPtr], [int], [Guid].MakeByRefType(), [int], [int].MakeByRefType(), [IntPtr].MakeByRefType()), 1, 3).SetImplementationFlags(128)
    [void]$TB.DefinePInvokeMethod('SLUninstallLicense', $DllPath, 22, 1, [int], @([IntPtr], [IntPtr]), 1, 3)

    $SPPC = $TB.CreateType()
    $Handle = 0
    [void]$SPPC::SLOpen([ref]$Handle)
    $pnReturnIds = 0
    $ppReturnIds = 0

    if (!$SPPC::SLGetSLIDList($Handle, 0, [ref][Guid]"0ff1ce15-a989-479d-af46-f275c6370663", 6, [ref]$pnReturnIds, [ref]$ppReturnIds)) {
        foreach ($i in 0..($pnReturnIds - 1)) {
            [void]$SPPC::SLUninstallLicense($Handle, [Int64]$ppReturnIds + [Int64]16 * $i)
        }    
    }
}

$OSPP = (Get-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform" -ErrorAction SilentlyContinue).Path
if ($OSPP) {
    UninstallLicenses ($OSPP + "osppc.dll")
}
UninstallLicenses "sppc.dll"
:embed: