diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -32,6 +32,7 @@
 target_link_libraries(KF5KIOGui
   PUBLIC
     KF5::KIOCore
+    KF5::WidgetsAddons
     KF5::WindowSystem
     Qt5::Gui
   PRIVATE
diff --git a/src/gui/kprocessrunner.cpp b/src/gui/kprocessrunner.cpp
--- a/src/gui/kprocessrunner.cpp
+++ b/src/gui/kprocessrunner.cpp
@@ -27,6 +27,7 @@
 #include "krecentdocument.h"
 #include <KDesktopFile>
 #include <KLocalizedString>
+#include <KMessageBox>
 #include <KWindowSystem>
 
 #include <QDBusConnection>
@@ -54,7 +55,7 @@
 
     const QString realExecutable = execParser.resultingArguments().at(0);
     if (!QFileInfo::exists(realExecutable) && QStandardPaths::findExecutable(realExecutable).isEmpty()) {
-        emitDelayedError(i18n("Could not find the program '%1'", realExecutable));
+        emitDelayedError(i18n("Could not find an executable program '%1'", realExecutable));
         return;
     }
 
@@ -274,6 +275,12 @@
 
 void KProcessRunner::slotProcessExited(int exitCode, QProcess::ExitStatus exitStatus)
 {
+    if (exitCode != 0) {
+        KMessageBox::error(nullptr, i18n("The program '%1' terminated abnormally.\n"
+                                         "For more details try running it from a terminal emulator (e.g. Konsole).",
+                                         m_executable, exitCode),
+                           i18n("Program terminated abnormally"));
+    }
     qCDebug(KIO_GUI) << m_executable << "exitCode=" << exitCode << "exitStatus=" << exitStatus;
     terminateStartupNotification();
     deleteLater();