diff --git a/src/libcalamaresui/CMakeLists.txt b/src/libcalamaresui/CMakeLists.txt
index a704b7484..e745681f3 100644
--- a/src/libcalamaresui/CMakeLists.txt
+++ b/src/libcalamaresui/CMakeLists.txt
@@ -20,6 +20,7 @@ set( calamaresui_SOURCES
     utils/CalamaresUtilsGui.cpp
     utils/ImageRegistry.cpp
     utils/Paste.cpp
+    utils/ErrorDialog/ErrorDialog.cpp
 
     viewpages/BlankViewStep.cpp
     viewpages/ExecutionViewStep.cpp
@@ -75,6 +76,8 @@ calamares_add_library( calamaresui
         Qt5::Svg
     RESOURCES libcalamaresui.qrc
     EXPORT Calamares
+    UI 
+        utils/ErrorDialog/ErrorDialog.ui    
     VERSION ${CALAMARES_VERSION_SHORT}
 )
 target_link_libraries( calamaresui PRIVATE yamlcpp::yamlcpp )
diff --git a/src/libcalamaresui/ViewManager.cpp b/src/libcalamaresui/ViewManager.cpp
index 57570ad64..87024ea6b 100644
--- a/src/libcalamaresui/ViewManager.cpp
+++ b/src/libcalamaresui/ViewManager.cpp
@@ -17,6 +17,7 @@
 #include "JobQueue.h"
 #include "Settings.h"
 
+#include "utils/ErrorDialog/ErrorDialog.h"
 #include "utils/Logger.h"
 #include "utils/Paste.h"
 #include "utils/Retranslator.h"
@@ -29,6 +30,7 @@
 #include <QApplication>
 #include <QBoxLayout>
 #include <QClipboard>
+#include <QDialogButtonBox>
 #include <QFile>
 #include <QMessageBox>
 #include <QMetaObject>
@@ -160,46 +162,26 @@ ViewManager::onInstallationFailed( const QString& message, const QString& detail
 
     QString heading
         = Calamares::Settings::instance()->isSetupMode() ? tr( "Setup Failed" ) : tr( "Installation Failed" );
-    QString pasteMsg = tr( "Would you like to paste the install log to the web?" );
-    QString text = "<p>" + message + "</p>";
-    if ( !details.isEmpty() )
-    {
-        text += "<p>"
-            + CalamaresUtils::truncateMultiLine( details, CalamaresUtils::LinesStartEnd { 6, 2 } )
-                  .replace( '\n', QStringLiteral( "<br/>" ) )
-            + "</p>";
-    }
-    if ( shouldOfferWebPaste )
-    {
-        text += "<p>" + pasteMsg + "</p>";
-    }
 
-    QMessageBox* msgBox = new QMessageBox();
-    msgBox->setIcon( QMessageBox::Critical );
-    msgBox->setWindowTitle( tr( "Error" ) );
-    msgBox->setText( "<strong>" + heading + "</strong>" );
-    msgBox->setInformativeText( text );
-    if ( shouldOfferWebPaste )
-    {
-        msgBox->setStandardButtons( QMessageBox::Yes | QMessageBox::No );
-        msgBox->setDefaultButton( QMessageBox::No );
-    }
-    else
-    {
-        msgBox->setStandardButtons( QMessageBox::Close );
-        msgBox->setDefaultButton( QMessageBox::Close );
-    }
-    Calamares::fixButtonLabels( msgBox );
-    msgBox->show();
+    ErrorDialog* errorDialog = new ErrorDialog();
+    errorDialog->setWindowTitle( tr( "Error" ) );
+    errorDialog->setHeading( "<strong>" + heading + "</strong>" );
+    errorDialog->setInformativeText( message );
+    errorDialog->setShouldOfferWebPaste( shouldOfferWebPaste );
+    errorDialog->setDetails( details );
+    errorDialog->show();
 
     cDebug() << "Calamares will quit when the dialog closes.";
-    connect( msgBox, &QMessageBox::buttonClicked, [msgBox]( QAbstractButton* button ) {
-        if ( msgBox->buttonRole( button ) == QMessageBox::ButtonRole::YesRole )
-        {
-            CalamaresUtils::Paste::doLogUploadUI( msgBox );
-        }
-        QApplication::quit();
-    } );
+    connect( errorDialog,
+             &QDialog::finished,
+             [ errorDialog ]( int result )
+             {
+                 if ( result == QDialog::Accepted && errorDialog->shouldOfferWebPaste() )
+                 {
+                     CalamaresUtils::Paste::doLogUploadUI( errorDialog );
+                 }
+                 QApplication::quit();
+             } );
 }
 
 
diff --git a/src/libcalamaresui/utils/ErrorDialog/ErrorDialog.cpp b/src/libcalamaresui/utils/ErrorDialog/ErrorDialog.cpp
new file mode 100644
index 000000000..4ffe20384
--- /dev/null
+++ b/src/libcalamaresui/utils/ErrorDialog/ErrorDialog.cpp
@@ -0,0 +1,108 @@
+/* === This file is part of Calamares - <https://calamares.io> ===
+ *
+ *   SPDX-FileCopyrightText: 2021 Artem Grinev <agrinev@manjaro.org>
+ *   SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   Calamares is Free Software: see the License-Identifier above.
+ *
+ */
+
+#include "ErrorDialog.h"
+#include "ui_ErrorDialog.h"
+
+#include "widgets/TranslationFix.h"
+#include <QDialogButtonBox>
+#include <QIcon>
+
+namespace Calamares
+{
+
+
+ErrorDialog::ErrorDialog( QWidget* parent )
+    : QDialog( parent )
+    , ui( new Ui::ErrorDialog )
+{
+    ui->setupUi( this );
+    ui->iconLabel->setPixmap( QIcon::fromTheme( "dialog-error" ).pixmap( 64 ) );
+    ui->detailsWidget->hide();
+    ui->offerWebPasteLabel->hide();
+}
+
+ErrorDialog::~ErrorDialog()
+{
+    delete ui;
+}
+
+
+QString
+ErrorDialog::heading() const
+{
+    return ui->headingLabel->text();
+}
+
+QString
+ErrorDialog::informativeText() const
+{
+    return ui->informativeTextLabel->text();
+}
+
+QString
+ErrorDialog::details() const
+{
+    return ui->detailsBrowser->toPlainText();
+}
+
+void
+ErrorDialog::setHeading( const QString& newHeading )
+{
+    if ( ui->headingLabel->text() == newHeading )
+        return;
+    ui->headingLabel->setText( newHeading );
+    emit headingChanged();
+}
+
+void
+ErrorDialog::setInformativeText( const QString& newInformativeText )
+{
+    if ( ui->informativeTextLabel->text() == newInformativeText )
+        return;
+    ui->informativeTextLabel->setText( newInformativeText );
+    emit informativeTextChanged();
+}
+
+void
+ErrorDialog::setDetails( const QString& newDetails )
+{
+    if ( ui->detailsBrowser->toPlainText() == newDetails )
+        return;
+    ui->detailsBrowser->setPlainText( newDetails );
+
+    ui->detailsWidget->setVisible( !ui->detailsBrowser->toPlainText().trimmed().isEmpty() );
+
+    emit detailsChanged();
+}
+
+bool
+ErrorDialog::shouldOfferWebPaste() const
+{
+    return m_shouldOfferWebPaste;
+}
+
+void
+ErrorDialog::setShouldOfferWebPaste( bool newShouldOfferWebPaste )
+{
+    if ( m_shouldOfferWebPaste == newShouldOfferWebPaste )
+        return;
+    m_shouldOfferWebPaste = newShouldOfferWebPaste;
+
+    ui->offerWebPasteLabel->setVisible( m_shouldOfferWebPaste );
+
+    ui->buttonBox->setStandardButtons( m_shouldOfferWebPaste ? ( QDialogButtonBox::Yes | QDialogButtonBox::No )
+                                                             : QDialogButtonBox::Close );
+
+    fixButtonLabels( ui->buttonBox );
+
+    emit shouldOfferWebPasteChanged();
+}
+
+}  // namespace Calamares
diff --git a/src/libcalamaresui/utils/ErrorDialog/ErrorDialog.h b/src/libcalamaresui/utils/ErrorDialog/ErrorDialog.h
new file mode 100644
index 000000000..a0126c2ce
--- /dev/null
+++ b/src/libcalamaresui/utils/ErrorDialog/ErrorDialog.h
@@ -0,0 +1,68 @@
+/* === This file is part of Calamares - <https://calamares.io> ===
+ *
+ *   SPDX-FileCopyrightText: 2021 Artem Grinev <agrinev@manjaro.org>
+ *   SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   Calamares is Free Software: see the License-Identifier above.
+ *
+ */
+
+#ifndef ERRORDIALOG_H
+#define ERRORDIALOG_H
+
+#include <QDialog>
+
+
+namespace Ui
+{
+class ErrorDialog;
+}
+class QDialogButtonBox;
+namespace Calamares
+{
+class ErrorDialog : public QDialog
+{
+    Q_OBJECT
+
+    Q_PROPERTY( QString heading READ heading WRITE setHeading NOTIFY headingChanged )
+    Q_PROPERTY( QString informativeText READ informativeText WRITE setInformativeText NOTIFY informativeTextChanged )
+    Q_PROPERTY( QString details READ details WRITE setDetails NOTIFY detailsChanged )
+    Q_PROPERTY( bool shouldOfferWebPaste READ shouldOfferWebPaste WRITE setShouldOfferWebPaste NOTIFY
+                    shouldOfferWebPasteChanged )
+
+public:
+    explicit ErrorDialog( QWidget* parent = nullptr );
+    ~ErrorDialog();
+
+    QString heading() const;
+
+    QString informativeText() const;
+
+    QString details() const;
+
+    void setHeading( const QString& newHeading );
+
+    void setInformativeText( const QString& newInformativeText );
+
+    void setDetails( const QString& newDetails );
+
+    bool shouldOfferWebPaste() const;
+    void setShouldOfferWebPaste( bool newShouldOfferWebPaste );
+
+signals:
+    void headingChanged();
+
+    void informativeTextChanged();
+
+    void detailsChanged();
+
+    void shouldOfferWebPasteChanged();
+
+private:
+    Ui::ErrorDialog* ui;
+    bool m_shouldOfferWebPaste = false;
+};
+
+};  // namespace Calamares
+
+#endif  // ERRORDIALOG_H
diff --git a/src/libcalamaresui/utils/ErrorDialog/ErrorDialog.ui b/src/libcalamaresui/utils/ErrorDialog/ErrorDialog.ui
new file mode 100644
index 000000000..2632af617
--- /dev/null
+++ b/src/libcalamaresui/utils/ErrorDialog/ErrorDialog.ui
@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ErrorDialog</class>
+ <widget class="QDialog" name="ErrorDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>425</width>
+    <height>262</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="2" column="1">
+    <widget class="QLabel" name="headingLabel">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text">
+      <string notr="true"/>
+     </property>
+    </widget>
+   </item>
+   <item row="4" column="0" colspan="2">
+    <widget class="QWidget" name="detailsWidget" native="true">
+     <layout class="QVBoxLayout" name="verticalLayout_3">
+      <item>
+       <widget class="QLabel" name="label">
+        <property name="text">
+         <string>Details:</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QTextBrowser" name="detailsBrowser"/>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="2" column="0" rowspan="2">
+    <widget class="QLabel" name="iconLabel">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text">
+      <string notr="true"/>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="1">
+    <widget class="QLabel" name="informativeTextLabel">
+     <property name="text">
+      <string notr="true"/>
+     </property>
+    </widget>
+   </item>
+   <item row="7" column="0" colspan="2">
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Close</set>
+     </property>
+    </widget>
+   </item>
+   <item row="6" column="0">
+    <widget class="QLabel" name="offerWebPasteLabel">
+     <property name="text">
+      <string>Would you like to paste the install log to the web?</string>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>ErrorDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>ErrorDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/src/libcalamaresui/widgets/TranslationFix.cpp b/src/libcalamaresui/widgets/TranslationFix.cpp
index 1262fceb5..dbfd0bd83 100644
--- a/src/libcalamaresui/widgets/TranslationFix.cpp
+++ b/src/libcalamaresui/widgets/TranslationFix.cpp
@@ -11,30 +11,34 @@
 
 #include <QAbstractButton>
 #include <QCoreApplication>
+#include <QDialogButtonBox>
 #include <QMessageBox>
+#include <QPushButton>
 
 namespace Calamares
 {
 
+//Using QMessageBox's StandardButton enum here but according to headers they should be kept in-sync between multiple classes.
+static std::pair< decltype( QMessageBox::Ok ), const char* > maps[] = {
+    { QMessageBox::Ok, QT_TRANSLATE_NOOP( "StandardButtons", "&OK" ) },
+    { QMessageBox::Yes, QT_TRANSLATE_NOOP( "StandardButtons", "&Yes" ) },
+    { QMessageBox::No, QT_TRANSLATE_NOOP( "StandardButtons", "&No" ) },
+    { QMessageBox::Cancel, QT_TRANSLATE_NOOP( "StandardButtons", "&Cancel" ) },
+    { QMessageBox::Close, QT_TRANSLATE_NOOP( "StandardButtons", "&Close" ) },
+};
+
+template < typename TButtonBox >
 void
-fixButtonLabels( QMessageBox* box )
+fixButtonLabels( TButtonBox* box )
 {
     if ( !box )
     {
         return;
     }
 
-    static std::pair< decltype( QMessageBox::Ok ), const char* > maps[] = {
-        { QMessageBox::Ok, QT_TRANSLATE_NOOP( "StandardButtons", "&OK" ) },
-        { QMessageBox::Yes, QT_TRANSLATE_NOOP( "StandardButtons", "&Yes" ) },
-        { QMessageBox::No, QT_TRANSLATE_NOOP( "StandardButtons", "&No" ) },
-        { QMessageBox::Cancel, QT_TRANSLATE_NOOP( "StandardButtons", "&Cancel" ) },
-        { QMessageBox::Close, QT_TRANSLATE_NOOP( "StandardButtons", "&Close" ) },
-    };
-
     for ( auto [ sb, label ] : maps )
     {
-        auto* button = box->button( sb );
+        auto* button = box->button( static_cast< typename TButtonBox::StandardButton >( int( sb ) ) );
         if ( button )
         {
             button->setText( QCoreApplication::translate( "StandardButtons", label ) );
@@ -42,4 +46,16 @@ fixButtonLabels( QMessageBox* box )
     }
 }
 
+void
+fixButtonLabels( QMessageBox* box )
+{
+    fixButtonLabels< QMessageBox >( box );
+}
+
+void
+fixButtonLabels( QDialogButtonBox* box )
+{
+    fixButtonLabels< QDialogButtonBox >( box );
+}
+
 }  // namespace Calamares
diff --git a/src/libcalamaresui/widgets/TranslationFix.h b/src/libcalamaresui/widgets/TranslationFix.h
index 107dad67d..89ee9a51a 100644
--- a/src/libcalamaresui/widgets/TranslationFix.h
+++ b/src/libcalamaresui/widgets/TranslationFix.h
@@ -13,6 +13,7 @@
 #include "DllMacro.h"
 
 class QMessageBox;
+class QDialogButtonBox;
 
 namespace Calamares
 {
@@ -26,6 +27,8 @@ namespace Calamares
  * guess the context.
  */
 void UIDLLEXPORT fixButtonLabels( QMessageBox* );
+
+void UIDLLEXPORT fixButtonLabels( QDialogButtonBox* );
 }  // namespace Calamares
 
 #endif