diff --git a/client/internal/gui/src/EntryWindow.cpp b/client/internal/gui/src/EntryWindow.cpp
index a781f175874b489e7a4dfe94d360da78c6569577..9a0a4dbccdef2d2f2c13fb4880b47c8130d65977 100644
--- a/client/internal/gui/src/EntryWindow.cpp
+++ b/client/internal/gui/src/EntryWindow.cpp
@@ -23,7 +23,7 @@ void EntryWindow::setupUi(QMainWindow *EntryWindow) {
     verticalLayout = new QVBoxLayout(centralwidget);
 
     introLabel = new QLabel(centralwidget);
-    introLabel->setText("Добро пожаловать в Noiseground!");
+    introLabel->setText("Добро пожаловать в SourcedOut!");
     introLabel->setGeometry(QRect(140, 200, 331, 31));
 
     verticalLayout->addWidget(introLabel, 0, Qt::AlignHCenter);
diff --git a/client/internal/gui/src/SignUpDialog.cpp b/client/internal/gui/src/SignUpDialog.cpp
index 1cdc2a31a2432c3fc72eb885c5153fdc999325f1..7d34cb5ba695004fe21807a2f80d1a8079c8e2f6 100644
--- a/client/internal/gui/src/SignUpDialog.cpp
+++ b/client/internal/gui/src/SignUpDialog.cpp
@@ -87,7 +87,11 @@ void SignUpDialog::on_signUpButton_clicked() {
                 close();
                 break;
             case 403:
-                QMessageBox::warning(this, "Регистрация невозможна", "Логин уже занят!");
+                QMessageBox::warning(this, "Регистрация невозможна", "Произошла ошибка! Попробуйте ещё раз. \n"
+                                                                     "\n"
+                                                                     "Логин должен быть в виде: example@mail.ru \n"
+                                                                     "Имя от 3 до 20 символов \n"
+                                                                     "Пароль от 8 до 30 символов");
                 break;
             default:
                 QMessageBox::critical(this, "Регистрация невозможна!", "Нет соединения с сервером!");
diff --git a/client/internal/gui/src/SolutionsWindow.cpp b/client/internal/gui/src/SolutionsWindow.cpp
index ccbc7e528bf2906a61430dcc718cf120443a09ff..854f5ff27df7a4732292e7230e7edc56201e4ef1 100644
--- a/client/internal/gui/src/SolutionsWindow.cpp
+++ b/client/internal/gui/src/SolutionsWindow.cpp
@@ -37,7 +37,7 @@ void SolutionsWindow::setupUi(QMainWindow *SolutionsWindow) {
     filename = new QLabel(this);
 
     chooseFileButton = new QPushButton(this);
-    chooseFileButton->setText(QString::fromUtf8("Выбирите файл"));
+    chooseFileButton->setText(QString::fromUtf8("Выберите файл"));
 
     sendButton = new QPushButton(this);
     sendButton->setText(QString::fromUtf8("Отправить"));
diff --git a/server/internal/httpServer/src/UserManager.cpp b/server/internal/httpServer/src/UserManager.cpp
index b94bca7717df6c8a335dfe5cb2410c7acc26dbb4..b9e68e34a9ccb9b41aae8e34c7c15f278327deb0 100644
--- a/server/internal/httpServer/src/UserManager.cpp
+++ b/server/internal/httpServer/src/UserManager.cpp
@@ -1,6 +1,7 @@
 #include "UserManager.h"
 
 #include "TmpUserService.h"
+#include "ServiceExceptions.h"
 #include "Utils.h"
 
 UserManager::UserManager() : serializer(std::make_shared<Serializer>()), userService(std::make_shared<UserService>()) {}
@@ -13,7 +14,7 @@ http::message_generator UserManager::loginUser(http::request<http::string_body>
     try {
         std::tie(login, password) = serializer->deserialUserData(req.body());
     } catch (...) {
-        return getBadRequest(req, "Something went wrong!");
+        return getBadRequest(req, "Неправильные параметры!");
     }
 
     User user;
@@ -40,16 +41,21 @@ http::message_generator UserManager::loginUser(http::request<http::string_body>
         res.set(http::field::content_type, "text/plain");
         res.keep_alive(req.keep_alive());
         res.body() = serializer->serialUserData(user);
-        std::cout << serializer->serialUserData(user) << std::endl;
         res.prepare_payload();
         return res;
     }
 }
 
 http::message_generator UserManager::registerUser(http::request<http::string_body> &&req) {
+    std::string login, password, username;
+
     try {
-        std::string login, password, username;
         std::tie(login, password, username) = serializer->deserialNewUserData(req.body());
+    } catch (...) {
+        return getBadRequest(req, "Неправильные параметры!");
+    }
+
+    try {
         User user = userService->createUser(login, username, password);
         http::response<http::string_body> res{http::status::ok, req.version()};
         res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
@@ -58,6 +64,14 @@ http::message_generator UserManager::registerUser(http::request<http::string_bod
         res.body() = serializer->serialUserData(user);
         res.prepare_payload();
         return res;
+    } catch (const ValidateException& e) {
+        http::response<http::string_body> res{http::status::forbidden, req.version()};
+        res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
+        res.set(http::field::content_type, "text/plain");
+        res.keep_alive(req.keep_alive());
+        res.body() = "Не валидные данные";
+        res.prepare_payload();
+        return res;
     } catch (...) {
         return getBadRequest(req, "Something went wrong!");
     }
diff --git a/server/internal/service/include/Exceptions.h b/server/internal/service/include/ServiceExceptions.h
similarity index 96%
rename from server/internal/service/include/Exceptions.h
rename to server/internal/service/include/ServiceExceptions.h
index 5e52658cfefa8343861e9bf53b0b22c418a652c4..aabf3c14d6f418b15a706a4e7b7834fe90bd26b2 100644
--- a/server/internal/service/include/Exceptions.h
+++ b/server/internal/service/include/ServiceExceptions.h
@@ -1,25 +1,25 @@
-#pragma once
-
-class ValidateException : public std::exception {
-    std::string _msg;
-
- public:
-    ValidateException(const std::string& msg) : _msg(msg) {}
-    virtual const char* what() const noexcept override { return _msg.c_str(); }
-};
-
-class LoginException : public std::exception {
-    std::string _msg;
-
- public:
-    LoginException(const std::string& msg) : _msg(msg) {}
-    virtual const char* what() const noexcept override { return _msg.c_str(); }
-};
-
-class FileExtensionException : public std::exception {
-    std::string _msg;
-
- public:
-    FileExtensionException(const std::string& msg) : _msg(msg) {}
-    virtual const char* what() const noexcept override { return _msg.c_str(); }
+#pragma once
+
+class ValidateException : public std::exception {
+    std::string _msg;
+
+ public:
+    ValidateException(const std::string& msg) : _msg(msg) {}
+    virtual const char* what() const noexcept override { return _msg.c_str(); }
+};
+
+class LoginException : public std::exception {
+    std::string _msg;
+
+ public:
+    LoginException(const std::string& msg) : _msg(msg) {}
+    virtual const char* what() const noexcept override { return _msg.c_str(); }
+};
+
+class FileExtensionException : public std::exception {
+    std::string _msg;
+
+ public:
+    FileExtensionException(const std::string& msg) : _msg(msg) {}
+    virtual const char* what() const noexcept override { return _msg.c_str(); }
 };
\ No newline at end of file
diff --git a/server/internal/service/src/SolutionService.cpp b/server/internal/service/src/SolutionService.cpp
index 54fb3d193ab1eb30868e732ae0168f965a22b046..b48e53fc27a0cf57df95a8027c701cd0ec900ce7 100644
--- a/server/internal/service/src/SolutionService.cpp
+++ b/server/internal/service/src/SolutionService.cpp
@@ -11,6 +11,7 @@
 #include "ServiceUtils.h"
 #include "SolutionRepository.hpp"
 #include "TaskRepository.hpp"
+#include "ServiceExceptions.h"
 
 const std::string PLAGIAT_VERDICT = "Не, ну вы не палитесь. Плагиат.";
 const std::string NOT_PLAGIAT_VERDICT = "Красивое решение. А главное уникальное !";
diff --git a/server/internal/service/src/UserService.cpp b/server/internal/service/src/UserService.cpp
index f6dc444fb2a3d4a5202b4964c8bfd3096e160ac6..11ceadd905ccdcb7725670a3c8d16a4fa223e4f2 100644
--- a/server/internal/service/src/UserService.cpp
+++ b/server/internal/service/src/UserService.cpp
@@ -1,6 +1,6 @@
 #include "UserService.h"
 
-#include "Exceptions.h"
+#include "ServiceExceptions.h"
 #include "UserRepository.hpp"
 #include "UserValidator.h"
 
diff --git a/server/internal/service/tests/UserServiceTest.cpp b/server/internal/service/tests/UserServiceTest.cpp
index f4828a75dcf95f6e6abab1bfaf2adc3cacb6c257..afb6fe6abadfd0e832834957350ec7669af0d771 100644
--- a/server/internal/service/tests/UserServiceTest.cpp
+++ b/server/internal/service/tests/UserServiceTest.cpp
@@ -1,7 +1,7 @@
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
-#include "Exceptions.h"
+#include "ServiceExceptions.h"
 #include "UserService.h"
 
 class Exception : public std::exception {