diff --git a/src/widgets/atcoreinstancewidget.cpp b/src/widgets/atcoreinstancewidget.cpp
--- a/src/widgets/atcoreinstancewidget.cpp
+++ b/src/widgets/atcoreinstancewidget.cpp
@@ -311,7 +311,14 @@
 
 void AtCoreInstanceWidget::printFile(const QUrl &fileName)
 {
-    if (!fileName.isEmpty() && (m_core.state() == AtCore::IDLE)) {
+    if (fileName.isEmpty() || !QFileInfo::exists(fileName.toString())) {
+        QMessageBox::critical(
+            this
+            , i18n("File not found")
+            , i18n("Please check if the file exists and try again.")
+        );
+    }
+    if (m_core.state() == AtCore::IDLE) {
         m_logWidget->appendLog(i18n("Printing:%1", fileName.toLocalFile()));
         m_core.print(fileName.toLocalFile());
     }