diff --git a/Qss.cpp b/Qss.cpp
index bf91185..496c5b7 100644
--- a/Qss.cpp
+++ b/Qss.cpp
@@ -1685,13 +1685,16 @@ QSSProcessBar::QSSProcessBar(QWidget *parent) :
     QDialog(parent),
     ui(new Ui::Process)
 {
+    qDebug()<<"Qt::WindowCloseButtonHint: "<< ~int(Qt::WindowCloseButtonHint);
     ui->setupUi(this);
     ui->progressBar->setValue(1);
 
-    setWindowFlags(Qt::FramelessWindowHint);
-    this->setModal(true);
+    setWindowFlags(this->windowFlags()
+                   & (~Qt::WindowCloseButtonHint)
+                   & (~Qt::WindowContextHelpButtonHint));
     mParent = parent;
     this->hide();
+    this->setModal(true);
 }
 
 QSSProcessBar::~QSSProcessBar()