diff --git a/source/ublexec.cc b/source/ublexec.cc
index 139f269..c44462e 100644
--- a/source/ublexec.cc
+++ b/source/ublexec.cc
@@ -722,7 +722,6 @@ void MainWindow::entry_app() {
 
 void MainWindow::activ_or_block_other_user() {
     bool flag = chbAnotherUser->get_active();
-    cmbUser->set_active(0);
     cmbUser->set_sensitive(flag);
     lblInfoUserName->set_sensitive(flag);  
     if (flag_pkexec == true) {
@@ -800,6 +799,47 @@ void MainWindow::is_user_wheel(){
     }
 }
 
+unsigned short MainWindow::read_uid_min_max(string filename, string search){
+    std::string line;
+    int uid = 0;
+    string remove_tab = "\t";
+    string remove_space = " ";
+    std::ifstream in(filename); // окрываем файл для чтения
+    if (in.is_open()){
+        while (getline(in, line)){
+            try{
+                if (line.find(search) != string::npos && (line.find("SYS_"+search) == string::npos)) {
+                    this->str_remove(line, search);
+                    this->str_remove(line, remove_space);
+                    this->str_remove(line, remove_tab);
+                    uid = atoi(line.c_str());
+                }
+            }
+            catch (int x) {
+                if (search == "UID_MIN"){
+                    uid = 1000;
+                }
+                else{
+                    uid = 65534;
+                }
+
+            }
+
+        }
+    }
+    else{
+        if (search == "UID_MIN") {
+            uid = 1000;
+        }
+        else{
+            uid = 65534;
+        }
+    }
+    in.close(); 
+    return uid;
+
+}
+
 void MainWindow::pars_users() {
     //string str_uid_max = this->call("grep \"^UID_MAX\" /etc/login.defs | xargs | cut -d ' ' -f 2)");
     //int uid_max = 0;
@@ -807,8 +847,9 @@ void MainWindow::pars_users() {
     //    int uid_max = stoi(str_uid_max);
     //}
     //else{
-    int uid_max = 65534;
-    //}
+    
+    unsigned short uid_min = this->read_uid_min_max("/etc/login.defs", "UID_MIN");
+    unsigned short uid_max = this->read_uid_min_max("/etc/login.defs", "UID_MAX");
     while (true) {
         errno = 0;
         passwd* entry = getpwent();
diff --git a/source/ublexec.h b/source/ublexec.h
index 3a482c5..46b96e2 100755
--- a/source/ublexec.h
+++ b/source/ublexec.h
@@ -15,6 +15,7 @@
 #include <ostream>
 #include <thread>
 #include <algorithm>
+#include <fstream>
 #include "ubl-util-standard.c"
 
 using namespace std;
@@ -93,6 +94,7 @@ public:
     bool focus_in_txt_cmd(GdkEventFocus* event);
     void unselect_icon(Gtk::IconView *icon_entry);
     void pars_dir_terminal();
+    unsigned short read_uid_min_max(string filename, string search);
     void str_remove(std::string& source, std::string & to_remove);
     string call(string cmd);
     vector<std::string> split(const std::string &s, char delim);
diff --git a/ublexec.glade b/ublexec.glade
index ca1e689..15d82f0 100644
--- a/ublexec.glade
+++ b/ublexec.glade
@@ -1133,7 +1133,7 @@ specified priority</property>
                                 </child>
                                 <child>
                                   <object class="GtkEntry" id="txtCmd">
-                                    <property name="width-request">381</property>
+                                    <property name="width-request">440</property>
                                     <property name="visible">True</property>
                                     <property name="can-focus">True</property>
                                     <property name="margin-left">5</property>
@@ -1279,7 +1279,7 @@ specified priority</property>
                                     <property name="visible">True</property>
                                     <property name="can-focus">False</property>
                                     <property name="halign">start</property>
-                                    <property name="margin-left">9</property>
+                                    <property name="margin-left">2</property>
                                     <property name="margin-right">5</property>
                                     <property name="margin-end">5</property>
                                     <property name="margin-bottom">6</property>
@@ -1398,6 +1398,7 @@ specified priority</property>
                                     <property name="visible">True</property>
                                     <property name="can-focus">True</property>
                                     <property name="receives-default">False</property>
+                                    <property name="margin-left">6</property>
                                     <property name="draw-indicator">True</property>
                                     <property name="group">rbSu</property>
                                   </object>
@@ -1413,6 +1414,10 @@ specified priority</property>
                                     <property name="visible">True</property>
                                     <property name="can-focus">True</property>
                                     <property name="receives-default">False</property>
+                                    <property name="margin-left">6</property>
+                                    <property name="margin-right">6</property>
+                                    <property name="margin-start">6</property>
+                                    <property name="margin-end">6</property>
                                     <property name="draw-indicator">True</property>
                                     <property name="group">rbPkexec</property>
                                   </object>
@@ -1428,6 +1433,10 @@ specified priority</property>
                                     <property name="visible">True</property>
                                     <property name="can-focus">True</property>
                                     <property name="receives-default">False</property>
+                                    <property name="margin-left">6</property>
+                                    <property name="margin-right">6</property>
+                                    <property name="margin-start">6</property>
+                                    <property name="margin-end">6</property>
                                     <property name="draw-indicator">True</property>
                                     <property name="group">rbSu</property>
                                   </object>
@@ -1489,7 +1498,7 @@ specified priority</property>
                                 </child>
                                 <child>
                                   <object class="GtkComboBoxText" id="cmbUser">
-                                    <property name="width-request">381</property>
+                                    <property name="width-request">374</property>
                                     <property name="visible">True</property>
                                     <property name="can-focus">False</property>
                                     <property name="margin-left">5</property>