diff --git a/VisualPlugins/TraningControlPlugin/LoginForm.cs b/VisualPlugins/TraningControlPlugin/LoginForm.cs
index 9867dfd63..667008186 100644
--- a/VisualPlugins/TraningControlPlugin/LoginForm.cs
+++ b/VisualPlugins/TraningControlPlugin/LoginForm.cs
@@ -29,11 +29,18 @@ namespace DBAccessPluginNamespace
             var res = true;
             try
             {
-                using (var sw = new System.IO.StreamWriter(filename))
+                var encryptedstring = login + (char)10 + pass;
+                var encr = LoginUtils.Encrypt(encryptedstring);
+                using (var fs = new FileStream(filename, FileMode.Create))
+                {
+                    fs.Write(encr, 0, encr.Length);
+                }
+                // записать массив байт в бинарный файл
+                /*using (var sw = new System.IO.StreamWriter(filename))
                 {
                     sw.WriteLine(login);
                     sw.WriteLine(pass);
-                }
+                }*/
             }
             catch (Exception)
             {
diff --git a/VisualPlugins/TraningControlPlugin/LoginUtils.cs b/VisualPlugins/TraningControlPlugin/LoginUtils.cs
index 3a7eebb7f..cb957b6af 100644
--- a/VisualPlugins/TraningControlPlugin/LoginUtils.cs
+++ b/VisualPlugins/TraningControlPlugin/LoginUtils.cs
@@ -16,7 +16,7 @@ namespace VisualPascalABCPlugins
             var mbsList = mbs.Get();
             foreach (ManagementObject mo in mbsList)
             {
-                return mo['ProcessorId'].ToString();
+                return mo["ProcessorId"].ToString();
             }
             return "";
         }
diff --git a/VisualPlugins/TraningControlPlugin/SiteAccessInfo.cs b/VisualPlugins/TraningControlPlugin/SiteAccessInfo.cs
index 047ada4c9..5a2da6592 100644
--- a/VisualPlugins/TraningControlPlugin/SiteAccessInfo.cs
+++ b/VisualPlugins/TraningControlPlugin/SiteAccessInfo.cs
@@ -43,8 +43,11 @@ namespace DBAccessPluginNamespace
             if (UserType != UserTypeEnum.Student) return "Cannot write activity, because you're teacher!";
 
             //  Если клиент ещё не создан был, пересоздаём
-            if (client == null) client = new HttpClient();
-            client.Timeout = TimeSpan.FromSeconds(10);
+            if (client == null)
+            {
+                client = new HttpClient();
+                client.Timeout = TimeSpan.FromSeconds(10);
+            }
             //  Словарик для параметров запроса
             var values = new Dictionary<string, string>
                 {
@@ -79,8 +82,11 @@ namespace DBAccessPluginNamespace
         async public Task<string> GetContents()
         {
             //  Если клиент ещё не создан был, пересоздаём
-            if (client == null) client = new HttpClient();
-            client.Timeout = TimeSpan.FromSeconds(10);
+            if (client == null)
+            {
+                client = new HttpClient();
+                client.Timeout = TimeSpan.FromSeconds(10);
+            }
             //  Тут не столь важно что отправлять, можно и пустой список параметров
             var values = new Dictionary<string, string>
                 {
@@ -103,8 +109,11 @@ namespace DBAccessPluginNamespace
             if (ServAddr == "") return "Error";
             
             //  Если клиент ещё не создан был, пересоздаём
-            if (client == null) client = new HttpClient();
-            client.Timeout = TimeSpan.FromSeconds(10);
+            if (client == null)
+            {
+                client = new HttpClient();
+                client.Timeout = TimeSpan.FromSeconds(10);
+            }
             var values = new Dictionary<string, string>();
             var content = new FormUrlEncodedContent(values);
             var response = await client.PostAsync(ServAddr + "/groupslist.php", content);
@@ -122,8 +131,11 @@ namespace DBAccessPluginNamespace
                 ServAddr = ServerAddr;
             if (ServAddr == "") return "Error";
             //  Если клиент ещё не создан был, пересоздаём
-            if (client == null) client = new HttpClient();
-            client.Timeout = TimeSpan.FromSeconds(10);
+            if (client == null)
+            {
+                client = new HttpClient();
+                client.Timeout = TimeSpan.FromSeconds(10);
+            }
             Group = GroupName;
             var values = new Dictionary<string, string>
                 {
@@ -148,8 +160,11 @@ namespace DBAccessPluginNamespace
             ShortFIO = shortFIO;
             FullFIO = fullFIO;
             Password = password;
-            if (client == null) client = new HttpClient();
-            client.Timeout = TimeSpan.FromSeconds(10);
+            if (client == null)
+            {
+                client = new HttpClient();
+                client.Timeout = TimeSpan.FromSeconds(10);
+            }
 
             //  Словарик для параметров запроса
             var values = new Dictionary<string, string>
diff --git a/VisualPlugins/TraningControlPlugin/TeacherControlPlugin.cs b/VisualPlugins/TraningControlPlugin/TeacherControlPlugin.cs
index 8351072f7..775730285 100644
--- a/VisualPlugins/TraningControlPlugin/TeacherControlPlugin.cs
+++ b/VisualPlugins/TraningControlPlugin/TeacherControlPlugin.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Windows.Forms;
 using System.Text;
+using System.IO;
 using System.Linq;
 using PascalABCCompiler.SyntaxTreeConverters;
 using PascalABCCompiler.SyntaxTree;
@@ -165,6 +166,22 @@ namespace VisualPascalABCPlugins
             }
         }
 
+        string[] ReadLoginPassFromAuth(string AuthFileFullName)
+        {
+            var n = 10000;
+            var arr = new byte[n];
+            int nbytes;
+            using (var fs = new FileStream(AuthFileFullName, FileMode.Open))
+            {
+                nbytes = fs.Read(arr, 0, n);
+            }
+            var data = new byte[nbytes];
+            System.Array.Copy(arr, data, nbytes);
+            var lp = LoginUtils.Decrypt(data);
+            var lparr = lp.Split((char)10);
+            return lparr;
+        }
+
         public void AfterAddInGUI()
         {
             menuItem = (ToolStripMenuItem)Item.menuItem;
@@ -191,12 +208,18 @@ namespace VisualPascalABCPlugins
                         // искать auth в папке на уровень выше
                         auth = System.IO.Path.Combine(WorkingDir, "..", "auth.dat");
                         if (System.IO.File.Exists(auth))
-                            AuthFileFullName = auth;
+                        {
+                            var fi = new System.IO.FileInfo(auth);
+                            AuthFileFullName = fi.FullName;
+                        }
+
                     }
                 }
+                // Попытка автоматического входа
                 if (AuthFileFullName != "")
                 {
-                    var ss = System.IO.File.ReadAllLines(AuthFileFullName);
+                    //var ss = System.IO.File.ReadAllLines(AuthFileFullName);
+                    var ss = ReadLoginPassFromAuth(AuthFileFullName);
                     if (ss.Length >= 2)
                     {
                         var login = ss[0];
@@ -205,8 +228,10 @@ namespace VisualPascalABCPlugins
                     }
                 }
             }
-            catch (Exception)
-            { }
+            catch (Exception e)
+            {
+                e = e;
+            }
         }
 
         private void RunStartingHandler(string filename)
diff --git a/VisualPlugins/TraningControlPlugin/TeacherControlPlugin.csproj b/VisualPlugins/TraningControlPlugin/TeacherControlPlugin.csproj
index 261967dcb..6b69c15c4 100644
--- a/VisualPlugins/TraningControlPlugin/TeacherControlPlugin.csproj
+++ b/VisualPlugins/TraningControlPlugin/TeacherControlPlugin.csproj
@@ -59,7 +59,9 @@
     <Reference Include="System" />
     <Reference Include="System.Data" />
     <Reference Include="System.Drawing" />
+    <Reference Include="System.Management" />
     <Reference Include="System.Net.Http" />
+    <Reference Include="System.Security" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml" />
   </ItemGroup>
@@ -70,6 +72,7 @@
     <Compile Include="LoginForm.designer.cs">
       <DependentUpon>LoginForm.cs</DependentUpon>
     </Compile>
+    <Compile Include="LoginUtils.cs" />
     <Compile Include="Properties\Resources.Designer.cs">
       <AutoGen>True</AutoGen>
       <DesignTime>True</DesignTime>