--- a/ui/mainwindow.cpp	Wed Aug 20 18:22:41 2014 +0200
+++ b/ui/mainwindow.cpp	Wed Aug 20 18:55:53 2014 +0200
@@ -1158,6 +1158,15 @@
     unselected << mInstallList->unselectedCertificates();
     unselected << mRemoveList->unselectedCertificates();
 
+#ifdef Q_OS_WIN
+    if (!is_admin() || !is_system_install()) {
+        QMessageBox::information(this,
+                tr("Installation as normal user."),
+                tr("TrustBridge does not have the necessary privileges to install the certificates silently.") + "\n" +
+                tr("Windows will explicitly ask you to verify every modification TrustBridge intends to make."));
+    }
+#endif
+
     QProgressDialog *progress = new QProgressDialog(this);
     progress->setWindowModality(Qt::WindowModal);
     progress->setLabelText(tr("Installing certificates..."));