diff --git a/logdoctor/mainwindow.cpp b/logdoctor/mainwindow.cpp
index 361ff141..f5c550c6 100644
--- a/logdoctor/mainwindow.cpp
+++ b/logdoctor/mainwindow.cpp
@@ -2,9 +2,9 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 
-#include "globals/global_configs.h"
+#include "main_lib.h"
 
-#include "defines/web_servers.h"
+#include "globals/global_configs.h"
 
 #include "customs/treewidgetitems.h"
 
@@ -194,9 +194,9 @@ MainWindow::MainWindow(QWidget *parent)
     this->ui->box_ConfWindow_Theme->setCurrentIndex( static_cast<int>(GlobalConfigs::window_theme) );
     this->ui->box_ConfWindow_Icons->setCurrentIndex( static_cast<int>(GlobalConfigs::icons_theme) );
     // dialogs
-    this->ui->slider_ConfDialogs_General->setValue( this->dialogs_level );
-    this->ui->slider_ConfDialogs_Logs->setValue( this->craplog.getDialogsLevel() );
-    this->ui->slider_ConfDialogs_Stats->setValue( this->crapview.getDialogsLevel() );
+    this->ui->slider_ConfDialogs_General->setValue( static_cast<int>(this->dialogs_level) );
+    this->ui->slider_ConfDialogs_Logs->setValue( static_cast<int>(this->craplog.getDialogsLevel()) );
+    this->ui->slider_ConfDialogs_Stats->setValue( static_cast<int>(this->crapview.getDialogsLevel()) );
     // text browser
     this->ui->box_ConfTextBrowser_Font->setCurrentText( this->TB.getFontFamily() );
     this->ui->checkBox_ConfTextBrowser_WideLines->setChecked( this->TB.getWideLinesUsage() );
@@ -342,7 +342,7 @@ void MainWindow::readConfigs()
                 if ( err.value() ) {
                     proceed &= false;
                     QString file;
-                    if ( this->dialogs_level > 0 ) {
+                    if ( this->dialogs_level > DL_ESSENTIAL ) {
                         file = QString::fromStdString( this->configs_path );
                         err_msg = QString::fromStdString( err.message() );
                     }
@@ -356,7 +356,7 @@ void MainWindow::readConfigs()
                 proceed = IOutils::renameAsCopy( this->configs_path, err );
                 if ( ! proceed ) {
                     QString path;
-                    if ( this->dialogs_level > 0 ) {
+                    if ( this->dialogs_level > DL_ESSENTIAL ) {
                         path = QString::fromStdString( this->configs_path );
                         if ( err.value() ) {
                             err_msg = QString::fromStdString( err.message() );
@@ -370,7 +370,7 @@ void MainWindow::readConfigs()
         // configuration file not found
         proceed &= false;
         QString file;
-        if ( this->dialogs_level == 2 ) {
+        if ( this->dialogs_level == DL_EXPLANATORY ) {
             file = QString::fromStdString( this->configs_path );
         }
         DialogSec::warnConfFileNotFound( file );
@@ -439,7 +439,7 @@ void MainWindow::readConfigs()
                     GlobalConfigs::charts_theme = static_cast<ChartsTheme>( std::stoi( val ) );
 
                 } else if ( var == "MainDialogsLevel" ) {
-                    this->dialogs_level = std::stoi( val );
+                    this->dialogs_level = fromInt( std::stoi( val ) );
 
                 } else if ( var == "DefaultWebServer" ) {
                     this->default_web_server = fromString( val );
@@ -466,7 +466,7 @@ void MainWindow::readConfigs()
                     this->on_box_ConfTextBrowser_ColorScheme_currentIndexChanged( std::stoi( val ) );
 
                 } else if ( var == "CraplogDialogsLevel" ) {
-                    this->craplog.setDialogsLevel( std::stoi( val ) );
+                    this->craplog.setDialogsLevel( fromInt( std::stoi( val ) ) );
 
                 } else if ( var == "HideUsedFiles" ) {
                     hide_used_files = this->s2b.at( val );
@@ -632,7 +632,7 @@ void MainWindow::readConfigs()
                     this->craplog.setBlacklistUsed( WS_IIS, 20, this->s2b.at( val ) );
 
                 } else if ( var == "CrapviewDialogsLevel" ) {
-                    this->crapview.setDialogsLevel( std::stoi( val ) );
+                    this->crapview.setDialogsLevel( fromInt( std::stoi( val ) ) );
 
                 }/* else {
                     // not valid
@@ -679,7 +679,7 @@ void MainWindow::writeConfigs()
                 if ( err.value() ) {
                     proceed &= false;
                     QString file;
-                    if ( this->dialogs_level > 0 ) {
+                    if ( this->dialogs_level > DL_ESSENTIAL ) {
                         file = QString::fromStdString( this->configs_path );
                         err_msg = QString::fromStdString( err.message() );
                     }
@@ -694,7 +694,7 @@ void MainWindow::writeConfigs()
                 proceed = IOutils::renameAsCopy( this->configs_path, err );
                 if ( ! proceed ) {
                     QString path;
-                    if ( this->dialogs_level > 0 ) {
+                    if ( this->dialogs_level > DL_ESSENTIAL ) {
                         path = QString::fromStdString( this->configs_path );
                         if ( err.value() ) {
                             err_msg = QString::fromStdString( err.message() );
@@ -719,7 +719,7 @@ void MainWindow::writeConfigs()
                     if ( err.value() ) {
                         proceed &= false;
                         QString file;
-                        if ( this->dialogs_level > 0 ) {
+                        if ( this->dialogs_level > DL_ESSENTIAL ) {
                             file = QString::fromStdString( base_path );
                             err_msg = QString::fromStdString( err.message() );
                         }
@@ -734,7 +734,7 @@ void MainWindow::writeConfigs()
                     proceed = IOutils::renameAsCopy( base_path, err );
                     if ( ! proceed ) {
                         QString path;
-                        if ( this->dialogs_level > 0 ) {
+                        if ( this->dialogs_level > DL_ESSENTIAL ) {
                             path = QString::fromStdString( base_path );
                             err_msg = QString::fromStdString( err.message() );
                         }
@@ -745,7 +745,7 @@ void MainWindow::writeConfigs()
                         proceed = IOutils::makeDir( base_path, err );
                         if ( ! proceed ) {
                             msg = DialogSec::tr("Failed to create the configuration file's directory");
-                            if ( this->dialogs_level > 0 ) {
+                            if ( this->dialogs_level > DL_ESSENTIAL ) {
                                 msg += ":\n"+QString::fromStdString( base_path );
                                 err_msg = QString::fromStdString( err.message() );
                             }
@@ -758,7 +758,7 @@ void MainWindow::writeConfigs()
             proceed = IOutils::makeDir( base_path, err );
             if ( ! proceed ) {
                 msg = DialogSec::tr("Failed to create the configuration file's directory");
-                if ( this->dialogs_level > 0 ) {
+                if ( this->dialogs_level > DL_ESSENTIAL ) {
                     msg += ":\n"+QString::fromStdString( base_path );
                     err_msg = QString::fromStdString( err.message() );
                 }
@@ -779,7 +779,7 @@ void MainWindow::writeConfigs()
         configs += "\nWindowTheme=" + std::to_string( static_cast<themes_t>(GlobalConfigs::window_theme) );
         configs += "\nIconsTheme=" + std::to_string( static_cast<themes_t>(GlobalConfigs::icons_theme) );
         configs += "\nChartsTheme=" + std::to_string( static_cast<themes_t>(GlobalConfigs::charts_theme) );
-        configs += "\nMainDialogsLevel=" + std::to_string( this->dialogs_level );
+        configs += "\nMainDialogsLevel=" + toString( this->dialogs_level );
         configs += "\nDefaultWebServer=" + toString( this->default_web_server );
         configs += "\nDatabaseDataPath=" + this->db_data_path;
         configs += "\nDatabaseHashesPath=" + this->db_hashes_path;
@@ -792,7 +792,7 @@ void MainWindow::writeConfigs()
         configs += "\nColorScheme=" + std::to_string( this->TB.getColorSchemeID() );
         //// CRAPLOG ////
         configs += "\n\n[Craplog]";
-        configs += "\nCraplogDialogsLevel=" + std::to_string( this->craplog.getDialogsLevel() );
+        configs += "\nCraplogDialogsLevel=" + toString( this->craplog.getDialogsLevel() );
         configs += "\nHideUsedFiles=" + this->b2s.at( this->hide_used_files );
         configs += "\nWarningSize=" + std::to_string( this->craplog.getWarningSize() );
         //// APACHE2 ////
@@ -846,7 +846,7 @@ void MainWindow::writeConfigs()
         configs += "\nIisBlacklistClientUsed=" + this->b2s.at( this->craplog.isBlacklistUsed( WS_IIS, 20 ) );
         //// CRAPVIEW ////
         configs += "\n\n[Crapview]";
-        configs += "\nCrapviewDialogsLevel=" + std::to_string( this->crapview.getDialogsLevel() );
+        configs += "\nCrapviewDialogsLevel=" + toString( this->crapview.getDialogsLevel() );
 
         // write on file
         try {
@@ -879,7 +879,7 @@ void MainWindow::backupDatabase() const
                     proceed = IOutils::renameAsCopy( path, err );
                     if ( ! proceed ) {
                         QString p;
-                        if ( this->dialogs_level > 0 ) {
+                        if ( this->dialogs_level > DL_ESSENTIAL ) {
                             p = QString::fromStdString( path );
                             if ( err.value() ) {
                                 err_msg = QString::fromStdString( err.message() );
@@ -891,7 +891,7 @@ void MainWindow::backupDatabase() const
                         proceed = IOutils::makeDir( path, err );
                         if ( ! proceed ) {
                             QString msg = DialogSec::tr("Failed to create the database backups' directory");
-                            if ( this->dialogs_level > 0 ) {
+                            if ( this->dialogs_level > DL_ESSENTIAL ) {
                                 msg += ":\n"+QString::fromStdString( path );
                                 if ( err.value() ) {
                                     err_msg = QString::fromStdString( err.message() );
@@ -907,7 +907,7 @@ void MainWindow::backupDatabase() const
             proceed = IOutils::makeDir( path, err );
             if ( ! proceed ) {
                 QString msg = DialogSec::tr("Failed to create the database backups' directory");
-                if ( this->dialogs_level > 0 ) {
+                if ( this->dialogs_level > DL_ESSENTIAL ) {
                     msg += ":\n"+QString::fromStdString( path );
                     if ( err.value() ) {
                         err_msg = QString::fromStdString( err.message() );
@@ -1739,7 +1739,7 @@ void MainWindow::makeInitialChecks()
                         ok = IOutils::renameAsCopy( path, err );
                         if ( ! ok ) {
                             QString p;
-                            if ( this->dialogs_level > 0 ) {
+                            if ( this->dialogs_level > DL_ESSENTIAL ) {
                                 p = QString::fromStdString( path );
                                 if ( err.value() ) {
                                     err_msg = QString::fromStdString( err.message() );
@@ -1750,7 +1750,7 @@ void MainWindow::makeInitialChecks()
                             ok = IOutils::makeDir( path, err );
                             if ( ! ok ) {
                                 QString msg = DialogSec::tr("Failed to create the directory");
-                                if ( this->dialogs_level > 0 ) {
+                                if ( this->dialogs_level > DL_ESSENTIAL ) {
                                     msg += ":\n"+QString::fromStdString( path );
                                     if ( err.value() ) {
                                         err_msg = QString::fromStdString( err.message() );
@@ -1766,7 +1766,7 @@ void MainWindow::makeInitialChecks()
                 ok = IOutils::makeDir( path, err );
                 if ( ! ok ) {
                     QString msg = DialogSec::tr("Failed to create the directory");
-                    if ( this->dialogs_level > 0 ) {
+                    if ( this->dialogs_level > DL_ESSENTIAL ) {
                         msg += ":\n"+QString::fromStdString( path );
                         if ( err.value() ) {
                             err_msg = QString::fromStdString( err.message() );
@@ -2575,11 +2575,11 @@ void MainWindow::on_button_LogFiles_ViewFile_clicked()
                 if ( item.size() > warn_size ) {
                     // exceeds the warning size
                     QString msg{ item.name() };
-                    if ( this->dialogs_level >= 1 ) {
+                    if ( this->dialogs_level >= DL_NORMAL ) {
                         msg += QString("\n\n%1:\n%2").arg(
                             DialogSec::tr("Size of the file"),
                             PrintSec::printableSize( item.size() ) );
-                        if ( this->dialogs_level == 2 ) {
+                        if ( this->dialogs_level == DL_EXPLANATORY ) {
                             msg += QString("\n\n%1:\n%2").arg(
                                 DialogSec::tr("Warning size parameter"),
                                 PrintSec::printableSize( warn_size ) );
@@ -4257,15 +4257,15 @@ void MainWindow::on_box_ConfWindow_Icons_currentIndexChanged(int index)
 //// DIALOGS ////
 void MainWindow::on_slider_ConfDialogs_General_sliderReleased()
 {
-    this->dialogs_level = this->ui->slider_ConfDialogs_General->value();
+    this->dialogs_level = fromInt( this->ui->slider_ConfDialogs_General->value() );
 }
 void MainWindow::on_slider_ConfDialogs_Logs_sliderReleased()
 {
-    this->craplog.setDialogsLevel( this->ui->slider_ConfDialogs_Logs->value() );
+    this->craplog.setDialogsLevel( fromInt( this->ui->slider_ConfDialogs_Logs->value() ) );
 }
 void MainWindow::on_slider_ConfDialogs_Stats_sliderReleased()
 {
-    this->crapview.setDialogsLevel( this->ui->slider_ConfDialogs_Stats->value() );
+    this->crapview.setDialogsLevel( fromInt( this->ui->slider_ConfDialogs_Stats->value() ) );
 }
 
 
diff --git a/logdoctor/mainwindow.h b/logdoctor/mainwindow.h
index eb350755..c62f90a3 100644
--- a/logdoctor/mainwindow.h
+++ b/logdoctor/mainwindow.h
@@ -633,7 +633,7 @@ private:
     //// GENERAL ////
 
     // quantoty of informational dialogs to display
-    int dialogs_level{ 2 }; // 0: essential, 1: usefull, 2: explanatory
+    DialogsLevel dialogs_level{ DL_NORMAL };
 
     // default web server
     WebServer default_web_server{ WS_APACHE };
diff --git a/logdoctor/modules/craplog/craplog.cpp b/logdoctor/modules/craplog/craplog.cpp
index 393104aa..75458613 100644
--- a/logdoctor/modules/craplog/craplog.cpp
+++ b/logdoctor/modules/craplog/craplog.cpp
@@ -86,11 +86,11 @@ Craplog::Craplog()
 
 //////////////////
 //// SETTINGS ////
-int Craplog::getDialogsLevel() const noexcept
+DialogsLevel Craplog::getDialogsLevel() const noexcept
 {
     return this->dialogs_level;
 }
-void Craplog::setDialogsLevel( const int new_level ) noexcept
+void Craplog::setDialogsLevel( const DialogsLevel new_level ) noexcept
 {
     this->dialogs_level = new_level;
     this->hashOps.setDialogLevel( new_level );
@@ -657,7 +657,7 @@ bool Craplog::checkStuff()
         if ( file.hasBeenUsed() ) {
             // already used
             QString msg{ file.name() };
-            if ( this->dialogs_level == 2 ) {
+            if ( this->dialogs_level == DL_EXPLANATORY ) {
                 msg += "\n" + QString::fromStdString( file.hash() );
             }
             const int choice = DialogSec::choiceFileAlreadyUsed( msg );
@@ -680,7 +680,7 @@ bool Craplog::checkStuff()
             if ( VecOps::contains( this->used_files_hashes, file.hash() ) ) {
                 // appears twice in the list
                 QString msg{ file.name() };
-                if ( this->dialogs_level == 2 ) {
+                if ( this->dialogs_level == DL_EXPLANATORY ) {
                         msg += "\n" + QString::fromStdString( file.hash() );
                 }
                 const int choice = DialogSec::choiceDuplicateFile( msg );
@@ -706,11 +706,11 @@ bool Craplog::checkStuff()
             if ( file.size() > this->warning_size ) {
                 // exceeds the warning size
                 QString msg{ file.name() };
-                if ( this->dialogs_level >= 1 ) {
+                if ( this->dialogs_level >= DL_NORMAL ) {
                     msg += QString("\n\n%1:\n%2").arg(
                         DialogSec::tr("Size of the file"),
                         PrintSec::printableSize( file.size() ) );
-                    if ( this->dialogs_level == 2 ) {
+                    if ( this->dialogs_level == DL_EXPLANATORY ) {
                         msg += QString("\n\n%1:\n%2").arg(
                             DialogSec::tr("Warning size parameter"),
                             PrintSec::printableSize( this->warning_size ) );
@@ -764,11 +764,11 @@ bool Craplog::checkStuff()
     if ( this->proceed && logs_size >= MemOps::availableMemory() ) {
         // no files left, abort
         QString msg;
-        if ( this->dialogs_level >= 1 ) {
+        if ( this->dialogs_level >= DL_NORMAL ) {
             msg += QString("\n\n%1: %2").arg(
                 DialogSec::tr("Available memory"),
                 PrintSec::printableSize( MemOps::availableMemory() ) );
-            if ( this->dialogs_level == 2 ) {
+            if ( this->dialogs_level == DL_EXPLANATORY ) {
                 msg += QString("\n%1: %2").arg(
                     DialogSec::tr("Size of the logs"),
                     PrintSec::printableSize( logs_size ) );
diff --git a/logdoctor/modules/craplog/craplog.h b/logdoctor/modules/craplog/craplog.h
index 708df292..50e855f9 100644
--- a/logdoctor/modules/craplog/craplog.h
+++ b/logdoctor/modules/craplog/craplog.h
@@ -4,7 +4,7 @@
 
 #include <QtCharts>
 
-#include "defines/web_servers.h"
+#include "main_lib.h"
 
 #include "modules/craplog/modules/lib.h"
 #include "modules/craplog/modules/hash.h"
@@ -29,10 +29,10 @@ public:
     //// DIALOGS ////
 
     //! Returns the Dialogs level
-    int getDialogsLevel() const noexcept;
+    DialogsLevel getDialogsLevel() const noexcept;
 
     //! Sets the new Dialogs level
-    void setDialogsLevel( const int new_level ) noexcept;
+    void setDialogsLevel( const DialogsLevel new_level ) noexcept;
 
     ///////////////////
     //// DATABASES ////
@@ -464,7 +464,7 @@ private:
     //// DIALOGS ////
 
     // quantity of information to display throught dialogs
-    int dialogs_level{ 2 }; // 0: essential, 1: usefull, 2: explanatory
+    DialogsLevel dialogs_level{ DL_NORMAL };
 
 
     ///////////////////
diff --git a/logdoctor/modules/craplog/modules/hash.cpp b/logdoctor/modules/craplog/modules/hash.cpp
index aa7900ce..ea932949 100644
--- a/logdoctor/modules/craplog/modules/hash.cpp
+++ b/logdoctor/modules/craplog/modules/hash.cpp
@@ -19,9 +19,9 @@
 #include <QSqlError>
 
 
-void HashOps::setDialogLevel( const int new_level ) noexcept
+void HashOps::setDialogLevel( const DialogsLevel new_level ) noexcept
 {
-    this->dialog_level = new_level;
+    this->dialogs_level = new_level;
 }
 
 
@@ -46,7 +46,7 @@ bool HashOps::loadUsedHashesLists( const std::string& db_path ) noexcept
         // error opening database
         successful &= false;
         QString err_msg;
-        if ( this->dialog_level == 2 ) {
+        if ( this->dialogs_level == DL_EXPLANATORY ) {
             err_msg = db.lastError().text();
         }
         DialogSec::errDatabaseFailedOpening( db_name, err_msg );
@@ -160,9 +160,9 @@ bool HashOps::insertUsedHash( QSqlQuery& query, const QString& db_name, const st
                 // error opening database
                 successful &= false;
                 QString query_msg, err_msg;
-                if ( this->dialog_level > 0 ) {
+                if ( this->dialogs_level > DL_ESSENTIAL ) {
                     query_msg = "query.exec()";
-                    if ( this->dialog_level == 2 ) {
+                    if ( this->dialogs_level == DL_EXPLANATORY ) {
                         err_msg = query.lastError().text();
                     }
                 }
@@ -195,7 +195,7 @@ bool HashOps::insertUsedHashes( const std::string& db_path, const std::vector<st
         // error opening database
         successful &= false;
         QString err_msg;
-        if ( this->dialog_level == 2 ) {
+        if ( this->dialogs_level == DL_EXPLANATORY ) {
             err_msg = db.lastError().text();
         }
         DialogSec::errDatabaseFailedOpening( db_name, err_msg );
@@ -206,9 +206,9 @@ bool HashOps::insertUsedHashes( const std::string& db_path, const std::vector<st
             // error opening database
             successful &= false;
             QString stmt_msg, err_msg;
-            if ( this->dialog_level > 0 ) {
+            if ( this->dialogs_level > DL_ESSENTIAL ) {
                 stmt_msg = "db.transaction()";
-                if ( this->dialog_level == 2 ) {
+                if ( this->dialogs_level == DL_EXPLANATORY ) {
                     err_msg = db.lastError().text();
                 }
             }
@@ -231,9 +231,9 @@ bool HashOps::insertUsedHashes( const std::string& db_path, const std::vector<st
                         // error opening database
                         successful &= false;
                         QString stmt_msg, err_msg;
-                        if ( this->dialog_level > 0 ) {
+                        if ( this->dialogs_level > DL_ESSENTIAL ) {
                             stmt_msg = "db.commit()";
-                            if ( this->dialog_level == 2 ) {
+                            if ( this->dialogs_level == DL_EXPLANATORY ) {
                                 err_msg= db.lastError().text();
                             }
                         }
@@ -253,9 +253,9 @@ bool HashOps::insertUsedHashes( const std::string& db_path, const std::vector<st
                 if ( ! db.rollback() ) {
                     // error rolling back commits
                     QString stmt_msg, err_msg;
-                    if ( this->dialog_level > 0 ) {
+                    if ( this->dialogs_level > DL_ESSENTIAL ) {
                         stmt_msg = "db.rollback()";
-                        if ( this->dialog_level == 2 ) {
+                        if ( this->dialogs_level == DL_EXPLANATORY ) {
                             err_msg = db.lastError().text();
                         }
                     }
diff --git a/logdoctor/modules/craplog/modules/hash.h b/logdoctor/modules/craplog/modules/hash.h
index 49c993a0..43beb2a1 100644
--- a/logdoctor/modules/craplog/modules/hash.h
+++ b/logdoctor/modules/craplog/modules/hash.h
@@ -2,7 +2,7 @@
 #define LOGDOCTOR__CRAPLOG__HASH_H
 
 
-#include "defines/web_servers.h"
+#include "main_lib.h"
 
 #include <vector>
 #include <unordered_map>
@@ -24,7 +24,7 @@ class HashOps final
 public:
 
     //! Sets the new Dialogs level
-    void setDialogLevel( const int new_level ) noexcept;
+    void setDialogLevel( const DialogsLevel new_level ) noexcept;
 
     //! Retrieves the lists of hashes from the database file
     /*!
@@ -62,7 +62,7 @@ public:
 private:
 
     // Quantity of information to display throught dialogs
-    int dialog_level{ 2 };
+    DialogsLevel dialogs_level{ DL_NORMAL };
 
     // List of Web Servers names for database tables
     const std::unordered_map<WebServer, QString> ws_names{
diff --git a/logdoctor/modules/craplog/modules/workers/lister.cpp b/logdoctor/modules/craplog/modules/workers/lister.cpp
index fd20bae3..92b83eb7 100644
--- a/logdoctor/modules/craplog/modules/workers/lister.cpp
+++ b/logdoctor/modules/craplog/modules/workers/lister.cpp
@@ -13,7 +13,7 @@
 #include "modules/craplog/modules/workers/lib.h"
 
 
-CraplogLister::CraplogLister( const WebServer web_server, const unsigned dialogs_level, const std::string& logs_path, const LogsFormat& logs_format, const HashOps& hashOps, const std::function<bool(const std::string&)> check_filename, QObject* parent )
+CraplogLister::CraplogLister( const WebServer web_server, const DialogsLevel dialogs_level, const std::string& logs_path, const LogsFormat& logs_format, const HashOps& hashOps, const std::function<bool(const std::string&)> check_filename, QObject* parent )
     : QObject        { parent         }
     , web_server     { web_server     }
     , dialogs_level  { dialogs_level  }
@@ -61,7 +61,7 @@ void CraplogLister::work()
             // it's a file, check the readability
             if ( ! IOutils::checkFile( path, true ) ) {
                 // not readable, skip
-                if ( this->dialogs_level == 2 ) {
+                if ( this->dialogs_level == DL_EXPLANATORY ) {
                     emit this->showDialog( WorkerDialog::warnFileNotReadable,
                                            {name} );
                 }
@@ -86,7 +86,7 @@ void CraplogLister::work()
         }
 
         if ( content.empty() ) {
-            if ( this->dialogs_level == 2 ) {
+            if ( this->dialogs_level == DL_EXPLANATORY ) {
                 emit this->showDialog( WorkerDialog::warnEmptyFile,
                                        {name} );
             }
diff --git a/logdoctor/modules/craplog/modules/workers/lister.h b/logdoctor/modules/craplog/modules/workers/lister.h
index c36d5c30..f7c62c7d 100644
--- a/logdoctor/modules/craplog/modules/workers/lister.h
+++ b/logdoctor/modules/craplog/modules/workers/lister.h
@@ -2,13 +2,14 @@
 #define LOGDOCTOR__CRAPLOG__WORKERS__LISTER_H
 
 
+#include "main_lib.h"
+
 #include <QObject>
 
 struct LogsFormat;
 struct LogFile;
 class HashOps;
 
-enum class WebServer;
 enum class WorkerDialog;
 
 
@@ -20,7 +21,7 @@ public:
 
     explicit CraplogLister(
         const WebServer web_server,
-        const unsigned dialogs_level,
+        const DialogsLevel dialogs_level,
         const std::string& logs_path,
         const LogsFormat& logs_format,
         const HashOps& hashOps,
@@ -48,7 +49,7 @@ private:
 
     const WebServer web_server;
 
-    const unsigned dialogs_level;
+    const DialogsLevel dialogs_level;
 
     const std::string& logs_path;
 
diff --git a/logdoctor/modules/craplog/modules/workers/parser.cpp b/logdoctor/modules/craplog/modules/workers/parser.cpp
index 062c6885..ff0f4793 100644
--- a/logdoctor/modules/craplog/modules/workers/parser.cpp
+++ b/logdoctor/modules/craplog/modules/workers/parser.cpp
@@ -1,8 +1,6 @@
 
 #include "parser.h"
 
-#include "defines/web_servers.h"
-
 #include "utilities/checks.h"
 #include "utilities/gzip.h"
 #include "utilities/io.h"
@@ -19,7 +17,7 @@
 #include <QSqlError>
 
 
-CraplogParser::CraplogParser( const WebServer web_server, const unsigned dialogs_level, const std::string& db_data_path, const std::string& db_hashes_path, const LogsFormat& logs_format, const bw_lists_t& blacklists, const bw_lists_t& warnlists, const worker_files_t& log_files, QObject* parent )
+CraplogParser::CraplogParser( const WebServer web_server, const DialogsLevel dialogs_level, const std::string& db_data_path, const std::string& db_hashes_path, const LogsFormat& logs_format, const bw_lists_t& blacklists, const bw_lists_t& warnlists, const worker_files_t& log_files, QObject* parent )
     : QObject        { parent         }
     , web_server     { web_server     }
     , dialogs_level  { dialogs_level  }
@@ -254,7 +252,7 @@ void CraplogParser::storeLogLines()
         // error opening database
         this->proceed &= false;
         QString err_msg;
-        if ( this->dialogs_level == 2 ) {
+        if ( this->dialogs_level == DL_EXPLANATORY ) {
             err_msg = db.lastError().text();
         }
         emit this->showDialog( WorkerDialog::errDatabaseFailedOpening,
@@ -268,9 +266,9 @@ void CraplogParser::storeLogLines()
                 // error opening database
                 this->proceed &= false;
                 QString stmt_msg, err_msg;
-                if ( this->dialogs_level > 0 ) {
+                if ( this->dialogs_level > DL_ESSENTIAL ) {
                     stmt_msg = "db.transaction()";
-                    if ( this->dialogs_level == 2 ) {
+                    if ( this->dialogs_level == DL_EXPLANATORY ) {
                         err_msg = db.lastError().text();
                     }
                 }
@@ -288,9 +286,9 @@ void CraplogParser::storeLogLines()
                     // error opening database
                     this->proceed &= false;
                     QString stmt_msg, err_msg;
-                    if ( this->dialogs_level > 0 ) {
+                    if ( this->dialogs_level > DL_ESSENTIAL ) {
                         stmt_msg = "db.commit()";
-                        if ( this->dialogs_level == 2 ) {
+                        if ( this->dialogs_level == DL_EXPLANATORY ) {
                             err_msg= db.lastError().text();
                         }
                     }
@@ -311,9 +309,9 @@ void CraplogParser::storeLogLines()
             if ( ! db.rollback() ) {
                 // error rolling back commits
                 QString stmt_msg, err_msg;
-                if ( this->dialogs_level > 0 ) {
+                if ( this->dialogs_level > DL_ESSENTIAL ) {
                     stmt_msg = "db.rollback()";
-                    if ( this->dialogs_level == 2 ) {
+                    if ( this->dialogs_level == DL_EXPLANATORY ) {
                         err_msg = db.lastError().text();
                     }
                 }
@@ -511,9 +509,9 @@ bool CraplogParser::storeData( QSqlDatabase& db )
         if ( ! query.prepare( query_stmt ) ) {
             // error opening database
             QString query_msg, err_msg;
-            if ( this->dialogs_level > 0 ) {
+            if ( this->dialogs_level > DL_ESSENTIAL ) {
                 query_msg = "query.prepare()";
-                if ( this->dialogs_level == 2 ) {
+                if ( this->dialogs_level == DL_EXPLANATORY ) {
                     err_msg = query.lastError().text();
                 }
             }
@@ -526,9 +524,9 @@ bool CraplogParser::storeData( QSqlDatabase& db )
         if ( ! query.exec() ) {
             // error finalizing step
             QString query_msg, err_msg;
-            if ( this->dialogs_level > 0 ) {
+            if ( this->dialogs_level > DL_ESSENTIAL ) {
                 query_msg = "query.exec()";
-                if ( this->dialogs_level == 2 ) {
+                if ( this->dialogs_level == DL_EXPLANATORY ) {
                     err_msg = query.lastError().text();
                 }
             }
diff --git a/logdoctor/modules/craplog/modules/workers/parser.h b/logdoctor/modules/craplog/modules/workers/parser.h
index fc2aea7f..a49c6f6d 100644
--- a/logdoctor/modules/craplog/modules/workers/parser.h
+++ b/logdoctor/modules/craplog/modules/workers/parser.h
@@ -2,6 +2,8 @@
 #define LOGDOCTOR__CRAPLOG__WORKERS__PARSER_H
 
 
+#include "main_lib.h"
+
 #include "modules/craplog/modules/lib.h"
 
 #include <QObject>
@@ -12,7 +14,6 @@
 struct BWlist;
 struct LogLineData;
 
-enum class WebServer;
 enum class WorkerDialog;
 
 class QSqlDatabase;
@@ -30,7 +31,7 @@ public:
 
     explicit CraplogParser(
         const WebServer web_server,
-        const unsigned dialogs_level,
+        const DialogsLevel dialogs_level,
         const std::string& db_data_path,
         const std::string& db_hashes_path,
         const LogsFormat& logs_format,
@@ -76,7 +77,7 @@ private:
 
     const WebServer web_server;
 
-    const unsigned dialogs_level;
+    const DialogsLevel dialogs_level;
 
     bool proceed{ true };
 
diff --git a/logdoctor/modules/crapview/crapview.cpp b/logdoctor/modules/crapview/crapview.cpp
index 3257ce7f..2defeb72 100644
--- a/logdoctor/modules/crapview/crapview.cpp
+++ b/logdoctor/modules/crapview/crapview.cpp
@@ -8,11 +8,11 @@
 #include <QTableWidget>
 
 
-int Crapview::getDialogsLevel() const noexcept
+DialogsLevel Crapview::getDialogsLevel() const noexcept
 {
     return this->dialogs_level;
 }
-void Crapview::setDialogsLevel( const int new_level ) noexcept
+void Crapview::setDialogsLevel( const DialogsLevel new_level ) noexcept
 {
     this->dialogs_level = new_level;
 }
diff --git a/logdoctor/modules/crapview/crapview.h b/logdoctor/modules/crapview/crapview.h
index 8af86b82..52047892 100644
--- a/logdoctor/modules/crapview/crapview.h
+++ b/logdoctor/modules/crapview/crapview.h
@@ -2,13 +2,16 @@
 #define LOGDOCTOR__CRAPVIEW_H
 
 
-#include <QHash>
-#include <QtCharts>
+#include "main_lib.h"
 
 #include "modules/crapview/modules/query.h"
 
+#include <QHash>
+#include <QtCharts>
+
 #include <string>
 
+
 class QTableWidget;
 
 
@@ -24,10 +27,10 @@ class Crapview final : public QObject
 public:
 
     //! Returns the Dialogs level
-    int getDialogsLevel() const noexcept;
+    DialogsLevel getDialogsLevel() const noexcept;
 
     //! Sets the new Dialogs level
-    void setDialogsLevel( const int new_level ) noexcept;
+    void setDialogsLevel( const DialogsLevel new_level ) noexcept;
 
 
     /*//! Sets the new charts theme to use
@@ -262,7 +265,7 @@ private slots:
 private:
 
     // quantity of information to display throught dialogs
-    int dialogs_level{ 2 }; // 0: essential, 1: usefull, 2: explanatory
+    DialogsLevel dialogs_level{ DL_NORMAL };
 
     // charts theme ID
     int charts_theme{ 0 };