diff --git a/source/ublexec.cc b/source/ublexec.cc
index 7fbf303..0795d13 100644
--- a/source/ublexec.cc
+++ b/source/ublexec.cc
@@ -1,6 +1,5 @@
 #include "ublexec.h"
 using namespace std;
-
 string path_app= "/usr/bin/";
 string path_glade= "/usr/share/ublexec/ui/ublexec.glade";
 string path_css = "/usr/share/ublexec/css/style.css";
@@ -95,7 +94,6 @@ void MainWindow::get_builder(){
     builder->get_widget("aboutWindows", aboutWindows);
     builder->get_widget("btnSettings", btnSettings);
     builder->get_widget("btnBoxAboutDialog", btnBoxAboutDialog);
-    
 }
 
 void MainWindow::set_icon_array(){
@@ -111,7 +109,6 @@ void MainWindow::set_icon_array(){
     array_icon[9]=this->iconSystem;
 }
 
-
 void MainWindow::template_apps_obj(Gtk::IconView *icon, Glib::RefPtr<Gtk::ListStore> &gtk_list_app){
     gtk_list_app = Gtk::ListStore::create(m_Columns);
     gtk_list_app->set_sort_column(m_Columns.m_col_description, Gtk::SORT_ASCENDING);
@@ -120,9 +117,7 @@ void MainWindow::template_apps_obj(Gtk::IconView *icon, Glib::RefPtr<Gtk::ListSt
     icon->set_pixbuf_column(m_Columns.m_col_pixbuf);
 }
 
-
 void MainWindow::add_CSS(){
-
     Glib::RefPtr<Gtk::CssProvider> cssProvider = Gtk::CssProvider::create();
     cssProvider->load_from_path(path_css);   
     Glib::RefPtr<Gtk::StyleContext> styleContext = Gtk::StyleContext::create();
@@ -132,7 +127,6 @@ void MainWindow::add_CSS(){
     Glib::RefPtr<Gtk::StyleContext> context_lbl_head = lblInfoHead->get_style_context();
     context_box->add_class("cssboxColor1");
     context_lbl_head->add_class("textHead");
-
 }
 
 void MainWindow::localization(){
@@ -201,8 +195,7 @@ void MainWindow::event(){
 }
 
 void MainWindow::synopsis_show(){
-    //wrapper_system("xdg-open https://wiki.ublinux.ru/ru/home");
-
+    system("xdg-open https://wiki.ublinux.ru/ru/home &");
 }
 
 void MainWindow::icon_clear(){
@@ -312,18 +305,16 @@ void MainWindow::settings(){
     rbSu->set_sensitive(false);
     rbSudo->set_sensitive(false);
     btnBoxAboutDialog->set_visible(false);
-
-    //Gtk::Widget *standartHead;
-    //Gtk::Widget *plugBox;
-    //Gtk::Window *window;
-    //Gtk::Widget *btnSave;
-    //builder->get_widget("standartHead",standartHead);
-    //builder->get_widget("plugBox",plugBox);
-    //builder->get_widget("window",window);
-    //builder->get_widget("btnSave",btnSave);
-    //ubl_get_standard_ui(standartHead,plugBox,btnSave,window,"ublexec.svg",_("Running applications as a user with a\nspecified priority"),_("ublexec"),0,0);
-    
-}
+    /*
+    Gtk::Widget *boxButton;
+    Gtk::Widget *boxAbout;
+    builder->get_widget("plugBox",plugBox);
+    builder->get_widget("window",window);
+    builder->get_widget("boxButton",boxButton);
+    builder->get_widget("boxAbout",boxAbout);
+    ubl_make_plugs(boxAbout,boxButton, socket_ext_id_I, socket_trd_id_I);
+    */
+}   
 void MainWindow::close_entry_app(){
     this->icon_clear();
     dialogStartMenu->hide();
@@ -459,7 +450,7 @@ void MainWindow::start_cmd(){
         }
     }
     if (cbxExecuteEpriority->get_active()){
-        str_nice_cmd = "nice -n " + to_string(spinPriority->get_value_as_int()) + " ";
+        str_nice_cmd = "nice -n " + to_string(spinPriority->get_value_as_int());
     }
     
     if (user_cmd.length()==0 && name_app.length()==0 && path_file.length()==0){
@@ -468,7 +459,7 @@ void MainWindow::start_cmd(){
     }
     
     if (chbTerminal->get_active()){
-        str_cmd_terminal = " xterm -e ";
+        str_cmd_terminal = "xterm -e ";
     }
     else{
         str_cmd_terminal = "";
@@ -481,16 +472,25 @@ void MainWindow::start_cmd(){
         cmd =  str_nice_cmd + " nohup " + str_cmd_terminal + str_variants_root  + name_app;
     }
     else{
+        bool flag_xdg = false;
+        if (user_cmd.find("xdg-open")!=string::npos){
+            flag_xdg=true;
+        }
         string str_del = "  ";
-        user_cmd = this->str_remove(user_cmd, str_del);
+        this->str_remove(user_cmd, str_del);
+        str_del = "\"";
+        this->str_remove(user_cmd, str_del);
         vector<std::string> vec_user_cmd = this->split(user_cmd, ' ');
         size_t vec_len = vec_user_cmd.size();
         user_cmd = vec_user_cmd[vec_len-1];
-        str_del = "\"";
-        user_cmd = this->str_remove(user_cmd, str_del);
-        cmd =  str_nice_cmd + " nohup " + str_cmd_terminal + str_variants_root  + user_cmd ;
-        if (str_variants_root.find("su -l") != string::npos){
-            cmd += "\"";
+        if (flag_xdg==false){
+            cmd =  str_nice_cmd + " nohup " + str_cmd_terminal + str_variants_root  + user_cmd;
+            if (str_variants_root.find("su -l") != string::npos){
+                cmd += "\"";
+            }
+        }
+        else{
+            cmd =  str_nice_cmd + " nohup " + str_cmd_terminal + str_variants_root + " xdg-open " + user_cmd ;
         }
     }
     
@@ -601,13 +601,12 @@ vector<std::string> MainWindow::split(const std::string &s, char delim) {
   return elems;
 }
 
-string MainWindow::str_remove(std::string& source, const std::string& to_remove){
-    auto begin = source.find(to_remove);
-    if (begin != std::string::npos){
-        int len_to_remove = to_remove.length();
-        source.erase(begin, begin+len_to_remove);
-    }
-    return source;
+void MainWindow::str_remove(std::string& source, std::string & to_remove){
+    string::size_type n = to_remove.length();
+    for (string::size_type i = source.find(to_remove);
+      i != string::npos;
+      i = source.find(to_remove))
+      source.erase(i, n);
 }
 
 void MainWindow::pars_apps(){
diff --git a/source/ublexec.h b/source/ublexec.h
index 16e2a3d..d4a1e0e 100644
--- a/source/ublexec.h
+++ b/source/ublexec.h
@@ -14,6 +14,7 @@
 #include <pwd.h>
 #include <ostream>
 #include <thread>
+#include <algorithm>
 
 using namespace std;
 
@@ -81,7 +82,7 @@ public:
     void synopsis_show();
     //static void me_thread(string cmd);
     void unselect_icon(Gtk::IconView *icon_entry);
-    string str_remove(std::string& source, const std::string& to_remove);
+    void str_remove(std::string& source, std::string & to_remove);
     vector<std::string> split(const std::string &s, char delim);
    public:
    class ModelColumns : public Gtk::TreeModel::ColumnRecord
diff --git a/ublexec.glade b/ublexec.glade
index 15fcf33..21c9d66 100644
--- a/ublexec.glade
+++ b/ublexec.glade
@@ -1410,7 +1410,7 @@ specified priority</property>
           </object>
         </child>
         <child>
-          <object class="GtkBox">
+          <object class="GtkBox" id="boxAbout">
             <property name="visible">True</property>
             <property name="can-focus">False</property>
             <child>
@@ -1438,6 +1438,18 @@ specified priority</property>
             <property name="position">1</property>
           </packing>
         </child>
+        <child>
+          <object class="GtkBox" id="boxButton">
+            <property name="visible">True</property>
+            <property name="can-focus">False</property>
+            <child>
+              <placeholder/>
+            </child>
+          </object>
+          <packing>
+            <property name="position">2</property>
+          </packing>
+        </child>
       </object>
     </child>
   </object>