diff --git a/source/ubl-settings-datetime.cc b/source/ubl-settings-datetime.cc
index c9a2324..0dc4cdd 100644
--- a/source/ubl-settings-datetime.cc
+++ b/source/ubl-settings-datetime.cc
@@ -269,7 +269,7 @@ void MainWindow::event(){
     btnMessClose->signal_clicked().connect(sigc::mem_fun(*this, &MainWindow::gui_mess_close));
     btnMessCloseSudo->signal_clicked().connect(sigc::mem_fun(*this, &MainWindow::gui_exit));
     //cldrDate->signal_day_selected().connect(sigc::mem_fun(*this, &MainWindow::get_calendar));
-    btnUpdateDateTime->signal_clicked().connect(sigc::mem_fun(*this, &MainWindow::wrapper_update_time_date));
+    btnUpdateDateTime->signal_clicked().connect(sigc::mem_fun(*this, &MainWindow::update_time_date));
     btnChooseDate->signal_clicked().connect(sigc::mem_fun(*this, &MainWindow::calendar_show));
     cbDhcp->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::event_entry_cbDhcp));
     cbRegion->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::append_zone));
@@ -287,7 +287,6 @@ void MainWindow::wind_close_ntp(){
 }
 
 void MainWindow::stop_ntp(){
-    windowsNnpClose->hide();
     string cmd = "SEL_SERVICE=\"systemd-timesyncd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service; ";
     system(cmd.c_str());
     cmd ="SEL_SERVICE=\"ntpd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE}; ";
@@ -302,8 +301,6 @@ void MainWindow::stop_ntp(){
     system(cmd.c_str());
     cmd ="SEL_SERVICE=\"phc2sys\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE} ";
     system(cmd.c_str());
-    
-    this->update_time_date();
 
 }
 
@@ -355,6 +352,7 @@ void MainWindow::event_entry_cbDhcp(){
     int activ_index =  cbDhcp->get_active_row_number();
     if (str_dhcp.length()!=0){
         if (activ_index==0){
+            btnUpdateDateTime->set_sensitive(false);
             string cmd = "/usr/bin/ubconfig set network NTPSERVERS=default";
             system(cmd.c_str());
             txtNtpServer->set_sensitive(false);
@@ -364,6 +362,7 @@ void MainWindow::event_entry_cbDhcp(){
             txtNtpServer->set_text(response);
         }
         else if (activ_index==1){
+            btnUpdateDateTime->set_sensitive(false);
             string cmd = "/usr/bin/ubconfig set network NTPSERVERS=dhcp";
             system(cmd.c_str());
             txtNtpServer->set_sensitive(false);
@@ -371,6 +370,7 @@ void MainWindow::event_entry_cbDhcp(){
             txtNtpServer->set_text("");
         }
         else if (activ_index==2){
+            btnUpdateDateTime->set_sensitive(false);
             txtNtpServer->set_sensitive(true);
             if (txtNtpServer->get_text().find("default")!=std::string::npos){
                 txtNtpServer->set_text("");
@@ -390,6 +390,8 @@ void MainWindow::event_entry_cbDhcp(){
             system(cmd.c_str());
             txtNtpServer->set_text("");
             txtNtpServer->set_sensitive(false);
+            btnUpdateDateTime->set_sensitive(true);
+            this->stop_ntp();
             }
         }
         
@@ -451,19 +453,23 @@ void MainWindow::calendar_show(){
 void MainWindow::enry_dhcp_mess(){
     string str_dhcp = this->call("/usr/bin/ubconfig get network NTPSERVERS");
     if (str_dhcp.find("(null)")==std::string::npos){
+        btnUpdateDateTime->set_sensitive(false);
         str_dhcp = str_dhcp.substr(str_dhcp.find("=")+1,str_dhcp.length());
         str_dhcp = str_dhcp.substr(0,str_dhcp.find("\n"));
         if (str_dhcp=="dhcp"){
+            
             cbDhcp->set_active(1);
             txtNtpServer->set_text("");
             txtNtpServer->set_sensitive(false);
         }
         else if (str_dhcp=="default"){
+            btnUpdateDateTime->set_sensitive(false);
             cbDhcp->set_active(0);
             txtNtpServer->set_text("");
             txtNtpServer->set_sensitive(false);
         }
         else{
+            btnUpdateDateTime->set_sensitive(false);
             if (str_dhcp==""){
                 lblMessage->set_text(_("Enter DHCP!"));
                 mess_dchp->show();
@@ -483,6 +489,7 @@ void MainWindow::enry_dhcp_mess(){
         cbDhcp->set_active(3);
         txtNtpServer->set_text("");
         txtNtpServer->set_sensitive(false);
+        btnUpdateDateTime->set_sensitive(true);
     }
 }
 
@@ -676,17 +683,6 @@ void MainWindow::append_zone_glob(){
     }
     cbZoneGlob->set_active(0);
 }
-void MainWindow::wrapper_update_time_date(){
-    string cmd = "pidof systemd-timesyncd ntpd chronyd ntpdate openntpd ptp4l phc2sys";
-    string response = this->call(cmd);
-    if (response.length()==0){
-        this->update_time_date();
-    }
-    else{
-        windowsNnpClose->show();
-    }
-    
-}
 
 void MainWindow::update_time_date(){
     //this->enter_zone();