diff --git a/sources/editor/qetelementeditor.cpp b/sources/editor/qetelementeditor.cpp
index e32ae94f5..82893cd88 100644
--- a/sources/editor/qetelementeditor.cpp
+++ b/sources/editor/qetelementeditor.cpp
@@ -57,6 +57,7 @@
 #include <QFileDialog>
 #include <QFile>
 #include <QModelIndex>
+#include <QStandardPaths>
 
 /*
 	Nombre maximum de primitives affichees par la "liste des parties"
@@ -1078,18 +1079,31 @@ void QETElementEditor::openRecentFile(const QString &filepath) {
  * @brief QETElementEditor::slot_openDxf
  */
 void QETElementEditor::slot_openDxf (){
+bool success;
+QProcess *process = new QProcess(qApp);
 
 #if defined(Q_OS_WIN32)
-QString program = (QDir::homePath() + "/Application Data/qet/DXFtoQET.exe");
+success = process->startDetached(QDir::homePath() + "/Application Data/qet/DXFtoQET.exe");
 #elif defined(Q_OS_MAC)
-QString program = (QDir::homePath() + "/.qet/DXFtoQET.app");
+success = process->startDetached(QDir::homePath() + "/.qet/DXFtoQET.app");
 #else
-QString program = (QDir::homePath() + "/.qet/DXFtoQET");
+success = process->startDetached(QDir::homePath() + "/.qet/DXFtoQET");
 #endif
-QStringList arguments;
-QProcess *DXF = new QProcess(qApp);
-DXF->start(program,arguments);
-
+if ( !success ) {
+QMessageBox::warning(nullptr,
+tr("Error launching DXFtoQET plugin"), 
+tr("To install the plugin DXFtoQET\nVisit https://download.tuxfamily.org/qet/builds/dxf_to_elmt/\n"
+					 "\n"
+					 ">> Install on Linux\n"
+					 "Put DXFtoQET binary on your /home/user_name/.qet/ directory\n"
+					 "make it executable : chmod +x ./DXFtoQET\n"
+					 ">> Install on Windows\n"
+					 "Put DXFtoQET.exe binary on C:\\Users\\user_name\\AppData\\Roaming\\qet\\ directory \n" 
+					 "\n"
+					 ">> Install on macOSX\n"
+					 "Put DXFtoQET.app binary on /Users/user_name/.qet/ directory \n"
+					  ));
+}
 }
 
 /**
diff --git a/sources/qetdiagrameditor.cpp b/sources/qetdiagrameditor.cpp
index f1b089133..79876a4b7 100644
--- a/sources/qetdiagrameditor.cpp
+++ b/sources/qetdiagrameditor.cpp
@@ -2211,7 +2211,7 @@ success = process->startDetached("qet_tb_generator");
 #endif
 if ( !success ) {
 QMessageBox::warning(nullptr,
-tr("Error launching plugin"), 
+tr("Error launching qet_tb_generator plugin"), 
 tr("To install the plugin qet_tb_generator\nVisit https://pypi.python.org/pypi/qet-tb-generator/\n"
 					 "\n"
 					 "Requires python 3.5 or above.\n"