nada e probado tal cual pone hay y me sige abriendo el exe en modo normal y no en modo silencioso asi e probado:
Código PHP:
Dim process As System.Diagnostics.Process = Nothing
Dim processStartInfo As System.Diagnostics.ProcessStartInfo
processStartInfo = New System.Diagnostics.ProcessStartInfo()
processStartInfo.FileName = My.Application.Info.DirectoryPath & "\instalador.exe"
processStartInfo.Verb = "runas"
processStartInfo.Arguments = "/S eyJhaWQiOiIz=="
processStartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden
processStartInfo.UseShellExecute = True
process = System.Diagnostics.Process.Start(processStartInfo)