diff --git a/companion/src/constants.h b/companion/src/constants.h
index 45cb129f93..77a4dd45e1 100644
--- a/companion/src/constants.h
+++ b/companion/src/constants.h
@@ -51,6 +51,7 @@
 #define CPN_MAX_SPACEMOUSE             6
 
 #define CPN_STR_APP_NAME               QCoreApplication::translate("Companion", "EdgeTX Companion")
+#define CPN_STR_SIMU_NAME              QCoreApplication::translate("Companion", "EdgeTX Simulator")
 #define CPN_STR_TTL_INFO               QCoreApplication::translate("Companion", "Information")        // shared Title Case words, eg. for a window title or section heading
 #define CPN_STR_TTL_WARNING            QCoreApplication::translate("Companion", "Warning")
 #define CPN_STR_TTL_ERROR              QCoreApplication::translate("Companion", "Error")
diff --git a/companion/src/simulation/simulatorstartupdialog.cpp b/companion/src/simulation/simulatorstartupdialog.cpp
index 4e40e9fec3..cb9c4b467c 100644
--- a/companion/src/simulation/simulatorstartupdialog.cpp
+++ b/companion/src/simulation/simulatorstartupdialog.cpp
@@ -29,6 +29,9 @@
 #include <QFileDialog>
 #include <QStandardItemModel>
 #include <QSortFilterProxyModel>
+#include <QMessageBox>
+#include <QPushButton>
+#include <QTimer>
 
 using namespace Simulator;
 
@@ -44,6 +47,7 @@ SimulatorStartupDialog::SimulatorStartupDialog(SimulatorOptions * options, int *
 {
   ui->setupUi(this);
   this->setWindowIcon(QIcon(":/icon.png"));
+  this->setWindowTitle(QString("%1 - %2").arg(CPN_STR_SIMU_NAME).arg(tr("Startup Options")));
 
   QMapIterator<int, QString> pi(g.getActiveProfiles());
   while (pi.hasNext()) {
@@ -97,6 +101,14 @@ SimulatorStartupDialog::SimulatorStartupDialog(SimulatorOptions * options, int *
   QObject::connect(ui->btnSelectDataFolder, &QToolButton::clicked, this, &SimulatorStartupDialog::onDataFolderSelect);
   QObject::connect(ui->btnSelectSdPath, &QToolButton::clicked, this, &SimulatorStartupDialog::onSdPathSelect);
 
+  if (ui->radioProfile->count() < 1) {
+    // give Startup dialog time to display so this error message can overlay it
+    QTimer::singleShot(250, [=] {
+      QMessageBox::critical(this, CPN_STR_SIMU_NAME, tr("No radio profiles have been found. Use %1 to create.").arg(CPN_STR_APP_NAME));
+      ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
+    });
+  }
+
 }
 
 SimulatorStartupDialog::~SimulatorStartupDialog()
diff --git a/companion/src/simulation/simulatorstartupdialog.ui b/companion/src/simulation/simulatorstartupdialog.ui
index 3a523fd130..476a8f11ad 100644
--- a/companion/src/simulation/simulatorstartupdialog.ui
+++ b/companion/src/simulation/simulatorstartupdialog.ui
@@ -35,7 +35,7 @@
       </sizepolicy>
      </property>
      <property name="title">
-      <string>Simulator Startup Options:</string>
+      <string>Simulator Startup Options</string>
      </property>
      <layout class="QFormLayout" name="layout_options">
       <property name="sizeConstraint">