diff --git a/client/ui/pages_logic/AdvancedServerSettingsLogic.cpp b/client/ui/pages_logic/AdvancedServerSettingsLogic.cpp
index 0a7ae2c0..832fc6fd 100644
--- a/client/ui/pages_logic/AdvancedServerSettingsLogic.cpp
+++ b/client/ui/pages_logic/AdvancedServerSettingsLogic.cpp
@@ -47,9 +47,9 @@ void AdvancedServerSettingsLogic::onPushButtonClearServer()
     ErrorCode e = m_serverController->removeAllContainers(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex));
     m_serverController->disconnectFromHost(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex));
     if (e) {
-        uiLogic()->set_dialogConnectErrorText(tr("Error occurred while configuring server.") + "\n" +
-                                              errorString(e) + "\n" + tr("See logs for details."));
-        emit uiLogic()->showConnectErrorDialog();
+        emit uiLogic()->showWarningMessage(tr("Error occurred while configuring server.") + "\n" +
+                                           tr("Error message: ") + errorString(e) + "\n" +
+                                           tr("See logs for details."));
     } else {
         set_labelWaitInfoVisible(true);
         set_labelWaitInfoText(tr("Amnezia server successfully uninstalled"));
diff --git a/client/ui/pages_logic/AppSettingsLogic.cpp b/client/ui/pages_logic/AppSettingsLogic.cpp
index 3590c480..e5358009 100644
--- a/client/ui/pages_logic/AppSettingsLogic.cpp
+++ b/client/ui/pages_logic/AppSettingsLogic.cpp
@@ -7,7 +7,6 @@
 
 #include <QDesktopServices>
 #include <QFileDialog>
-#include <QMessageBox>
 #include <QStandardPaths>
 
 using namespace amnezia;
@@ -96,10 +95,8 @@ void AppSettingsLogic::onPushButtonRestoreAppConfigClicked()
     if (ok) {
         emit uiLogic()->goToPage(Page::Vpn);
         emit uiLogic()->setStartPage(Page::Vpn);
-    }
-    else {
-        QMessageBox::warning(nullptr, APPLICATION_NAME,
-            tr("Can't import config, file is corrupted."));
+    } else {
+        emit uiLogic()->showWarningMessage(tr("Can't import config, file is corrupted."));
     }
 
 }
diff --git a/client/ui/pages_logic/ServerConfiguringProgressLogic.cpp b/client/ui/pages_logic/ServerConfiguringProgressLogic.cpp
index c6e7085b..f6a8abdb 100644
--- a/client/ui/pages_logic/ServerConfiguringProgressLogic.cpp
+++ b/client/ui/pages_logic/ServerConfiguringProgressLogic.cpp
@@ -3,7 +3,6 @@
 #include "core/errorstrings.h"
 #include <QTimer>
 #include <QEventLoop>
-#include <QMessageBox>
 
 #include "core/servercontroller.h"
 
@@ -142,9 +141,6 @@ ErrorCode ServerConfiguringProgressLogic::doInstallAction(const std::function<Er
         if (waitInfo.setVisibleFunc) {
             waitInfo.setVisibleFunc(false);
         }
-        QMessageBox::warning(nullptr, APPLICATION_NAME,
-                             tr("Error occurred while configuring server.") + "\n" +
-                             errorString(e));
 
         progress.setVisibleFunc(false);
         return e;
diff --git a/client/ui/pages_logic/ServerContainersLogic.cpp b/client/ui/pages_logic/ServerContainersLogic.cpp
index 6e9896ce..91efc2c6 100644
--- a/client/ui/pages_logic/ServerContainersLogic.cpp
+++ b/client/ui/pages_logic/ServerContainersLogic.cpp
@@ -14,6 +14,7 @@
 #include "../uilogic.h"
 #include "../pages_logic/VpnLogic.h"
 #include "vpnconnection.h"
+#include "core/errorstrings.h"
 
 
 ServerContainersLogic::ServerContainersLogic(UiLogic *logic, QObject *parent):
@@ -87,24 +88,33 @@ void ServerContainersLogic::onPushButtonContinueClicked(DockerContainer c, int p
     emit uiLogic()->goToPage(Page::ServerConfiguringProgress);
     qApp->processEvents();
 
-    uiLogic()->getInstalledContainers(false); //todo its work like should be?
-
     ServerCredentials credentials = m_settings->serverCredentials(uiLogic()->m_selectedServerIndex);
+    ErrorCode errorCode = uiLogic()->addAlreadyInstalledContainersGui(false, credentials);
 
-    if (!uiLogic()->isContainerAlreadyAddedToGui(c, credentials)) {
-        auto installAction = [this, c, &config](){
-            return m_serverController->setupContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex), c, config);
-        };
-        ErrorCode error = uiLogic()->pageLogic<ServerConfiguringProgressLogic>()->doInstallAction(installAction);
+    if (errorCode == ErrorCode::NoError) {
+        if (!uiLogic()->isContainerAlreadyAddedToGui(c, credentials)) {
+            auto installAction = [this, c, &config]() {
+                return m_serverController->setupContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex), c, config);
+            };
+            errorCode = uiLogic()->pageLogic<ServerConfiguringProgressLogic>()->doInstallAction(installAction);
 
-        if (error == ErrorCode::NoError) {
-            m_settings->setContainerConfig(uiLogic()->m_selectedServerIndex, c, config);
-            if (ContainerProps::containerService(c) == ServiceType::Vpn) {
-                m_settings->setDefaultContainer(uiLogic()->m_selectedServerIndex, c);
+            if (errorCode == ErrorCode::NoError) {
+                m_settings->setContainerConfig(uiLogic()->m_selectedServerIndex, c, config);
+                if (ContainerProps::containerService(c) == ServiceType::Vpn) {
+                    m_settings->setDefaultContainer(uiLogic()->m_selectedServerIndex, c);
+                }
             }
+        } else {
+            emit uiLogic()->showWarningMessage("Attention! The container you are trying to install is already installed on the server. "
+                                               "All installed containers have been added to the application ");
         }
-    }
 
-    uiLogic()->onUpdateAllPages();
+        uiLogic()->onUpdateAllPages();
+    }
+    if (errorCode != ErrorCode::NoError) {
+        emit uiLogic()->showWarningMessage(tr("Error occurred while configuring server.") + "\n" +
+                                           tr("Error message: ") + errorString(errorCode) + "\n" +
+                                           tr("See logs for details."));
+    }
     emit uiLogic()->closePage();
 }
diff --git a/client/ui/pages_logic/ServerSettingsLogic.cpp b/client/ui/pages_logic/ServerSettingsLogic.cpp
index 35a93bbb..858a77d1 100644
--- a/client/ui/pages_logic/ServerSettingsLogic.cpp
+++ b/client/ui/pages_logic/ServerSettingsLogic.cpp
@@ -16,10 +16,8 @@
 ServerSettingsLogic::ServerSettingsLogic(UiLogic *logic, QObject *parent):
     PageLogicBase(logic, parent),
     m_labelWaitInfoVisible{true},
-    m_pushButtonClearVisible{true},
     m_pushButtonClearClientCacheVisible{true},
     m_pushButtonShareFullVisible{true},
-    m_pushButtonClearText{tr("Clear server from Amnezia software")},
     m_pushButtonClearClientCacheText{tr("Clear client cached profile")}
 { }
 
@@ -27,7 +25,6 @@ void ServerSettingsLogic::onUpdatePage()
 {
     set_labelWaitInfoVisible(false);
     set_labelWaitInfoText("");
-    set_pushButtonClearVisible(m_settings->haveAuthData(uiLogic()->m_selectedServerIndex));
     set_pushButtonClearClientCacheVisible(m_settings->haveAuthData(uiLogic()->m_selectedServerIndex));
     set_pushButtonShareFullVisible(m_settings->haveAuthData(uiLogic()->m_selectedServerIndex));
     const QJsonObject &server = m_settings->server(uiLogic()->m_selectedServerIndex);
@@ -50,36 +47,6 @@ void ServerSettingsLogic::onUpdatePage()
     set_labelCurrentVpnProtocolText(tr("Service: ") + selectedContainerName);
 }
 
-void ServerSettingsLogic::onPushButtonClearServer()
-{
-    set_pageEnabled(false);
-    set_pushButtonClearText(tr("Uninstalling Amnezia software..."));
-
-    if (m_settings->defaultServerIndex() == uiLogic()->m_selectedServerIndex) {
-        uiLogic()->pageLogic<VpnLogic>()->onDisconnect();
-    }
-
-    ErrorCode e = m_serverController->removeAllContainers(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex));
-    m_serverController->disconnectFromHost(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex));
-    if (e) {
-        uiLogic()->set_dialogConnectErrorText(
-                    tr("Error occurred while configuring server.") + "\n" +
-                    errorString(e) + "\n" +
-                    tr("See logs for details."));
-        emit uiLogic()->showConnectErrorDialog();
-    }
-    else {
-        set_labelWaitInfoVisible(true);
-        set_labelWaitInfoText(tr("Amnezia server successfully uninstalled"));
-    }
-
-    m_settings->setContainers(uiLogic()->m_selectedServerIndex, {});
-    m_settings->setDefaultContainer(uiLogic()->m_selectedServerIndex, DockerContainer::None);
-
-    set_pageEnabled(true);
-    set_pushButtonClearText(tr("Clear server from Amnezia software"));
-}
-
 void ServerSettingsLogic::onPushButtonForgetServer()
 {
     if (m_settings->defaultServerIndex() == uiLogic()->m_selectedServerIndex && uiLogic()->m_vpnConnection->isConnected()) {
diff --git a/client/ui/pages_logic/ServerSettingsLogic.h b/client/ui/pages_logic/ServerSettingsLogic.h
index d561ec48..a75dfa47 100644
--- a/client/ui/pages_logic/ServerSettingsLogic.h
+++ b/client/ui/pages_logic/ServerSettingsLogic.h
@@ -16,9 +16,7 @@ class ServerSettingsLogic : public PageLogicBase
 
     AUTO_PROPERTY(bool, labelWaitInfoVisible)
     AUTO_PROPERTY(QString, labelWaitInfoText)
-    AUTO_PROPERTY(QString, pushButtonClearText)
     AUTO_PROPERTY(QString, pushButtonClearClientCacheText)
-    AUTO_PROPERTY(bool, pushButtonClearVisible)
     AUTO_PROPERTY(bool, pushButtonClearClientCacheVisible)
     AUTO_PROPERTY(bool, pushButtonShareFullVisible)
     AUTO_PROPERTY(QString, labelServerText)
@@ -28,7 +26,6 @@ class ServerSettingsLogic : public PageLogicBase
 public:
     Q_INVOKABLE void onUpdatePage() override;
 
-    Q_INVOKABLE void onPushButtonClearServer();
     Q_INVOKABLE void onPushButtonForgetServer();
     Q_INVOKABLE void onPushButtonShareFullClicked();
     Q_INVOKABLE void onPushButtonClearClientCacheClicked();
diff --git a/client/ui/pages_logic/ShareConnectionLogic.cpp b/client/ui/pages_logic/ShareConnectionLogic.cpp
index 26563359..821cc0fc 100644
--- a/client/ui/pages_logic/ShareConnectionLogic.cpp
+++ b/client/ui/pages_logic/ShareConnectionLogic.cpp
@@ -1,7 +1,6 @@
 #include <QBuffer>
 #include <QImage>
 #include <QDataStream>
-#include <QMessageBox>
 
 #include "qrcodegen.hpp"
 
@@ -218,9 +217,9 @@ void ShareConnectionLogic::onPushButtonShareWireGuardGenerateClicked()
     ErrorCode e = ErrorCode::NoError;
     QString cfg = m_configurator->wireguardConfigurator->genWireguardConfig(credentials, container, containerConfig, &e);
     if (e) {
-        QMessageBox::warning(nullptr, APPLICATION_NAME,
-                             tr("Error occurred while configuring server.") + "\n" +
-                             errorString(e));
+        emit uiLogic()->showWarningMessage(tr("Error occurred while generating the config.") + "\n" +
+                                           tr("Error message: ") + errorString(e) + "\n" +
+                                           tr("See logs for details."));
         return;
     }
     cfg = m_configurator->processConfigWithExportSettings(serverIndex, container, Proto::WireGuard, cfg);
diff --git a/client/ui/pages_logic/ShareConnectionLogic.h b/client/ui/pages_logic/ShareConnectionLogic.h
index 5d46be97..3b9655aa 100644
--- a/client/ui/pages_logic/ShareConnectionLogic.h
+++ b/client/ui/pages_logic/ShareConnectionLogic.h
@@ -50,6 +50,5 @@ public:
     QList<QString> genQrCodeImageSeries(const QByteArray &data);
 
     QString svgToBase64(const QString &image);
-
 };
 #endif // SHARE_CONNECTION_LOGIC_H
diff --git a/client/ui/qml/Pages/PageAdvancedServerSettings.qml b/client/ui/qml/Pages/PageAdvancedServerSettings.qml
index a0d2a3f6..4e9d1106 100644
--- a/client/ui/qml/Pages/PageAdvancedServerSettings.qml
+++ b/client/ui/qml/Pages/PageAdvancedServerSettings.qml
@@ -92,7 +92,6 @@ PageBase {
         }
     }
 
-
     Logo {
         id : logo
         anchors.bottom: parent.bottom
diff --git a/client/ui/qml/Pages/PageServerSettings.qml b/client/ui/qml/Pages/PageServerSettings.qml
index 7a21bfd2..60459955 100644
--- a/client/ui/qml/Pages/PageServerSettings.qml
+++ b/client/ui/qml/Pages/PageServerSettings.qml
@@ -128,7 +128,6 @@ PageBase {
         }
     }
 
-
     Logo {
         id : logo
         anchors.bottom: parent.bottom
diff --git a/client/ui/qml/main.qml b/client/ui/qml/main.qml
index 6e2c7911..b8758384 100644
--- a/client/ui/qml/main.qml
+++ b/client/ui/qml/main.qml
@@ -242,12 +242,6 @@ Window  {
         text: qsTr("It's public key. Private key required")
         visible: false
     }
-    MessageDialog {
-        id: connectErrorDialog
-        title: "AmneziaVPN"
-        text: UiLogic.dialogConnectErrorText
-        visible: false
-    }
 
     Drawer {
         id: drawer_log
diff --git a/client/ui/uilogic.cpp b/client/ui/uilogic.cpp
index 1646b256..ed44efad 100644
--- a/client/ui/uilogic.cpp
+++ b/client/ui/uilogic.cpp
@@ -10,7 +10,6 @@
 #include <QJsonObject>
 #include <QKeyEvent>
 #include <QMenu>
-#include <QMessageBox>
 #include <QMetaEnum>
 #include <QSysInfo>
 #include <QThread>
@@ -326,62 +325,64 @@ void UiLogic::installServer(QMap<DockerContainer, QJsonObject> &containers)
         pageLogic<ServerConfiguringProgressLogic>()->set_pushButtonCancelVisible(visible);
     };
 
-    ErrorCode error = getInstalledContainers(true);
-    if (error != ErrorCode::NoError) {
-        return;
-    }
+    ErrorCode errorCode = addAlreadyInstalledContainersGui(true, m_installCredentials);
+    if (errorCode == ErrorCode::NoError) {
+        int count = 0;
+        bool isSomethingInstalled = false;
+        for (QMap<DockerContainer, QJsonObject>::iterator i = containers.begin(); i != containers.end(); i++, count++) {
+            if (isContainerAlreadyAddedToGui(i.key(), m_installCredentials)) {
+                continue;
+            }
 
-    int count = 0;
-    bool isSomethingInstalled = false;
-    for (QMap<DockerContainer, QJsonObject>::iterator i = containers.begin(); i != containers.end(); i++, count++) {
-        if (isContainerAlreadyAddedToGui(i.key(), m_installCredentials)) {
-            continue;
+            isSomethingInstalled = true;
+
+            progressBarFunc.setTextFunc(QString("Installing %1 %2 %3").arg(count + 1).arg(tr("of")).arg(containers.size()));
+            auto installAction = [&] () {
+                return m_serverController->setupContainer(m_installCredentials, i.key(), i.value());
+            };
+            errorCode = pageLogic<ServerConfiguringProgressLogic>()->doInstallAction(installAction, pageFunc, progressBarFunc,
+                                                                                 noButton, waitInfoFunc,
+                                                                                 busyInfoFunc, cancelButtonFunc);
+
+            m_serverController->disconnectFromHost(m_installCredentials);
         }
 
-        isSomethingInstalled = true;
+        if (errorCode == ErrorCode::NoError) {
+            if (!isSomethingInstalled) {
+                onUpdateAllPages();
+                emit showWarningMessage("Attention! The container you are trying to install is already installed on the server. "
+                                        "All installed containers have been added to the application ");
+                emit setStartPage(Page::Vpn);
+                return;
+            }
 
-        progressBarFunc.setTextFunc(QString("Installing %1 %2 %3").arg(count + 1).arg(tr("of")).arg(containers.size()));
-        auto installAction = [&] () {
-            return m_serverController->setupContainer(m_installCredentials, i.key(), i.value());
-        };
-        error = pageLogic<ServerConfiguringProgressLogic>()->doInstallAction(installAction, pageFunc, progressBarFunc,
-                                                                             noButton, waitInfoFunc,
-                                                                             busyInfoFunc, cancelButtonFunc);
+            QJsonObject server;
+            server.insert(config_key::hostName, m_installCredentials.hostName);
+            server.insert(config_key::userName, m_installCredentials.userName);
+            server.insert(config_key::password, m_installCredentials.password);
+            server.insert(config_key::port, m_installCredentials.port);
+            server.insert(config_key::description, m_settings->nextAvailableServerName());
 
-        m_serverController->disconnectFromHost(m_installCredentials);
-    }
+            QJsonArray containerConfigs;
+            for (const QJsonObject &cfg : containers) {
+                containerConfigs.append(cfg);
+            }
+            server.insert(config_key::containers, containerConfigs);
+            server.insert(config_key::defaultContainer, ContainerProps::containerToString(containers.firstKey()));
+
+            m_settings->addServer(server);
+            m_settings->setDefaultServer(m_settings->serversCount() - 1);
+            onUpdateAllPages();
 
-    if (error == ErrorCode::NoError) {
-        if (!isSomethingInstalled) {
-            emit showWarningMessage("Attention! The container you are trying to install is already installed on the server. "
-                                    "All installed containers have been added to the application ");
             emit setStartPage(Page::Vpn);
+            qApp->processEvents();
             return;
         }
-
-        QJsonObject server;
-        server.insert(config_key::hostName, m_installCredentials.hostName);
-        server.insert(config_key::userName, m_installCredentials.userName);
-        server.insert(config_key::password, m_installCredentials.password);
-        server.insert(config_key::port, m_installCredentials.port);
-        server.insert(config_key::description, m_settings->nextAvailableServerName());
-
-        QJsonArray containerConfigs;
-        for (const QJsonObject &cfg : containers) {
-            containerConfigs.append(cfg);
-        }
-        server.insert(config_key::containers, containerConfigs);
-        server.insert(config_key::defaultContainer, ContainerProps::containerToString(containers.firstKey()));
-
-        m_settings->addServer(server);
-        m_settings->setDefaultServer(m_settings->serversCount() - 1);
-        onUpdateAllPages();
-
-        emit setStartPage(Page::Vpn);
-        qApp->processEvents();
-    } else {
-        emit closePage();
     }
+    emit showWarningMessage(tr("Error occurred while configuring server.") + "\n" +
+                            tr("Error message: ") + errorString(errorCode) + "\n" +
+                            tr("See logs for details."));
+    emit closePage();
 }
 
 PageProtocolLogicBase *UiLogic::protocolLogic(Proto p)
@@ -520,45 +521,45 @@ void UiLogic::registerPagesLogic()
     registerPageLogic<AdvancedServerSettingsLogic>();
 }
 
-ErrorCode UiLogic::getInstalledContainers(bool addNewServerToGui)
+ErrorCode UiLogic::addAlreadyInstalledContainersGui(bool createNewServer, const ServerCredentials& credentials)
 {
     QMap<DockerContainer, QJsonObject> installedContainers;
-    ErrorCode errorCode = m_serverController->getAlreadyInstalledContainers(m_installCredentials, installedContainers);
+    ErrorCode errorCode = m_serverController->getAlreadyInstalledContainers(credentials, installedContainers);
+    m_serverController->disconnectFromHost(credentials);
     if (errorCode != ErrorCode::NoError) {
         return errorCode;
     }
 
     QJsonObject server;
     QJsonArray containerConfigs;
-    if (addNewServerToGui) {
-        server.insert(config_key::hostName, m_installCredentials.hostName);
-        server.insert(config_key::userName, m_installCredentials.userName);
-        server.insert(config_key::password, m_installCredentials.password);
-        server.insert(config_key::port, m_installCredentials.port);
+    if (createNewServer) {
+        server.insert(config_key::hostName, credentials.hostName);
+        server.insert(config_key::userName, credentials.userName);
+        server.insert(config_key::password, credentials.password);
+        server.insert(config_key::port, credentials.port);
         server.insert(config_key::description, m_settings->nextAvailableServerName());
     }
 
     for (auto container = installedContainers.begin(); container != installedContainers.end(); container++) {
-        if (isContainerAlreadyAddedToGui(container.key(), m_installCredentials)) {
+        if (isContainerAlreadyAddedToGui(container.key(), credentials)) {
             continue;
         }
 
-        if (addNewServerToGui) {
+        if (createNewServer) {
             containerConfigs.append(container.value());
             server.insert(config_key::containers, containerConfigs);
-
         } else {
             m_settings->setContainerConfig(m_selectedServerIndex, container.key(), container.value());
+            m_settings->setDefaultContainer(m_selectedServerIndex, installedContainers.firstKey());
         }
     }
 
-    if (addNewServerToGui) {
+    if (createNewServer) {
         server.insert(config_key::defaultContainer, ContainerProps::containerToString(installedContainers.firstKey()));
         m_settings->addServer(server);
         m_settings->setDefaultServer(m_settings->serversCount() - 1);
     }
 
-    onUpdateAllPages();
     return ErrorCode::NoError;
 }
 
diff --git a/client/ui/uilogic.h b/client/ui/uilogic.h
index bc72223c..339f119c 100644
--- a/client/ui/uilogic.h
+++ b/client/ui/uilogic.h
@@ -61,7 +61,6 @@ class UiLogic : public QObject
     AUTO_PROPERTY(bool, pageEnabled)
     AUTO_PROPERTY(int, pagesStackDepth)
     AUTO_PROPERTY(int, currentPageValue)
-    AUTO_PROPERTY(QString, dialogConnectErrorText)
     AUTO_PROPERTY(QString, popupWarningText)
 
     READONLY_PROPERTY(QObject *, containersModel)
@@ -115,7 +114,7 @@ public:
     Q_INVOKABLE void saveBinaryFile(const QString& desc, QString ext, const QString& data);
     Q_INVOKABLE void copyToClipboard(const QString& text);
 
-    Q_INVOKABLE amnezia::ErrorCode getInstalledContainers(bool addNewServerToGui);
+    Q_INVOKABLE amnezia::ErrorCode addAlreadyInstalledContainersGui(bool createNewServer, const ServerCredentials& credentials);
 
     void shareTempFile(const QString &suggestedName, QString ext, const QString& data);