diff --git a/CMakeLists.txt b/CMakeLists.txt
index d04702239..14bd6181a 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -189,12 +189,11 @@ configure_file (
 )
 
 # Define some useful DEBUG for, ehrm, debug build.
-string(TOLOWER CMAKE_BUILD_TYPE CMAKE_BUILD_TYPE)
-if(CMAKE_BUILD_TYPE STREQUAL "release")
+if(CMAKE_BUILD_TYPE STREQUAL "release" OR CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "RELEASE")
   message(STATUS "[${APP_LOW_NAME}] A release build (non-debug) is chosen. Debugging outputs are silently ignored.")
   set(CMAKE_BUILD_TYPE MinSizeRel)
   message(STATUS "[${APP_LOW_NAME}] Output executable file is optimized for minimum size.")
-else(CMAKE_BUILD_TYPE STREQUAL "release")
+else(CMAKE_BUILD_TYPE STREQUAL "release" OR CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "RELEASE")
   message(STATUS "[${APP_LOW_NAME}] A debug build is chosen.")
   add_definitions(-DDEBUG)
   set(CMAKE_BUILD_TYPE Debug)
@@ -208,7 +207,7 @@ endif(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
 
 # Verbose compiling outputs.
 set(CMAKE_VERBOSE_MAKEFILE ON)
-endif(CMAKE_BUILD_TYPE STREQUAL "release")
+endif(CMAKE_BUILD_TYPE STREQUAL "release" OR CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "RELEASE")
 
 # Force Qt to use string builders.
 add_definitions(-DQT_USE_QSTRINGBUILDER)
@@ -519,6 +518,9 @@ if(WIN32)
     resources/binaries/windows/deployment/qt4-msvc2010/QtWebKit4.dll
     resources/binaries/windows/deployment/qt4-msvc2010/QtXml4.dll
     resources/binaries/windows/deployment/qt4-msvc2010/ssleay32.dll
+    resources/binaries/windows/deployment/qt4-msvc2010/libintl.dll
+    resources/binaries/windows/deployment/qt4-msvc2010/libmysql.dll
+    resources/binaries/windows/deployment/qt4-msvc2010/libpq.dll
   )
 
   set(APP_DLLS_QT4_MSVC2010_IMAGEFORMATS
@@ -530,6 +532,12 @@ if(WIN32)
     resources/binaries/windows/deployment/qt4-msvc2010/imageformats/qtga4.dll
     resources/binaries/windows/deployment/qt4-msvc2010/imageformats/qtiff4.dll
   )
+
+  set(APP_DLLS_QT4_MSVC2010_SQLDRIVERS
+    resources/binaries/windows/deployment/qt4-msvc2010/sqldrivers/qsqlite4.dll
+    resources/binaries/windows/deployment/qt4-msvc2010/sqldrivers/qsqlmysql4.dll
+    resources/binaries/windows/deployment/qt4-msvc2010/sqldrivers/qsqlpsql4.dll
+  )
 endif(WIN32)
 
 # Setup source & header files for "rssguard_updater".
@@ -694,6 +702,8 @@ if(WIN32 OR OS2)
               DESTINATION ./)
       install(FILES ${APP_DLLS_QT4_MSVC2010_IMAGEFORMATS}
               DESTINATION ./imageformats)
+      install(FILES ${APP_DLLS_QT4_MSVC2010_SQLDRIVERS}
+              DESTINATION ./sqldrivers)
 
       install(FILES ${APP_DLLS_QT4_MSVC2010}
               DESTINATION ./${UPDATER_SUBFOLDER})
diff --git a/resources/binaries/windows/deployment/qt4-msvc2010/QtCore4.dll b/resources/binaries/windows/deployment/qt4-msvc2010/QtCore4.dll
index 56077683e..6837718cd 100755
Binary files a/resources/binaries/windows/deployment/qt4-msvc2010/QtCore4.dll and b/resources/binaries/windows/deployment/qt4-msvc2010/QtCore4.dll differ
diff --git a/resources/binaries/windows/deployment/qt4-msvc2010/QtGui4.dll b/resources/binaries/windows/deployment/qt4-msvc2010/QtGui4.dll
index 21b125553..ec4c78400 100755
Binary files a/resources/binaries/windows/deployment/qt4-msvc2010/QtGui4.dll and b/resources/binaries/windows/deployment/qt4-msvc2010/QtGui4.dll differ
diff --git a/resources/binaries/windows/deployment/qt4-msvc2010/QtNetwork4.dll b/resources/binaries/windows/deployment/qt4-msvc2010/QtNetwork4.dll
index 3d4ba3e33..cfda99325 100755
Binary files a/resources/binaries/windows/deployment/qt4-msvc2010/QtNetwork4.dll and b/resources/binaries/windows/deployment/qt4-msvc2010/QtNetwork4.dll differ
diff --git a/resources/binaries/windows/deployment/qt4-msvc2010/QtSql4.dll b/resources/binaries/windows/deployment/qt4-msvc2010/QtSql4.dll
index 83b86239a..f1a4ac642 100755
Binary files a/resources/binaries/windows/deployment/qt4-msvc2010/QtSql4.dll and b/resources/binaries/windows/deployment/qt4-msvc2010/QtSql4.dll differ
diff --git a/resources/binaries/windows/deployment/qt4-msvc2010/QtWebKit4.dll b/resources/binaries/windows/deployment/qt4-msvc2010/QtWebKit4.dll
index 160aadf2e..52857e709 100755
Binary files a/resources/binaries/windows/deployment/qt4-msvc2010/QtWebKit4.dll and b/resources/binaries/windows/deployment/qt4-msvc2010/QtWebKit4.dll differ
diff --git a/resources/binaries/windows/deployment/qt4-msvc2010/QtXml4.dll b/resources/binaries/windows/deployment/qt4-msvc2010/QtXml4.dll
index 90b35da81..674a10b3d 100755
Binary files a/resources/binaries/windows/deployment/qt4-msvc2010/QtXml4.dll and b/resources/binaries/windows/deployment/qt4-msvc2010/QtXml4.dll differ
diff --git a/src/gui/formupdate.cpp b/src/gui/formupdate.cpp
index 9042cd281..60f8f04a6 100755
--- a/src/gui/formupdate.cpp
+++ b/src/gui/formupdate.cpp
@@ -89,7 +89,7 @@ void FormUpdate::checkForUpdates() {
     m_ui->m_lblAvailableRelease->setText(update.first.m_availableVersion);
     m_ui->m_txtChanges->setText(update.first.m_changes);
 
-    if (update.first.m_availableVersion > APP_VERSION) {
+    if (update.first.m_availableVersion != APP_VERSION) {
       m_ui->m_lblStatus->setStatus(WidgetWithStatus::Ok,
                                    tr("New release available."),
                                    tr("This is new version which can be\ndownloaded and installed."));
@@ -140,7 +140,7 @@ void FormUpdate::saveUpdateFile(const QByteArray &file_contents) {
 
     if (output_file.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
       qDebug("Storing update file to temporary location '%s'.",
-             qPrintable(output_file_name));
+             qPrintable(QDir::toNativeSeparators(output_file.fileName())));
 
       output_file.write(file_contents);
       output_file.flush();
diff --git a/src/miscellaneous/iconfactory.cpp b/src/miscellaneous/iconfactory.cpp
index b24deb64d..aae749562 100644
--- a/src/miscellaneous/iconfactory.cpp
+++ b/src/miscellaneous/iconfactory.cpp
@@ -68,8 +68,9 @@ IconFactory *IconFactory::instance() {
 void IconFactory::setupSearchPaths() {
   QIcon::setThemeSearchPaths(QStringList() << APP_THEME_PATH);
   qDebug("Available icon theme paths: %s.",
-         qPrintable(QIcon::themeSearchPaths().replaceInStrings(QRegExp("^|$"),
-                                                               "\'").join(", ")));
+         qPrintable(QIcon::themeSearchPaths()
+                    .replaceInStrings(QRegExp("^|$"), "\'")
+                    .replaceInStrings(QRegExp("/"), QDir::separator()).join(", ")));
 }
 
 void IconFactory::setCurrentIconTheme(const QString &theme_name) {
diff --git a/src/miscellaneous/iofactory.cpp b/src/miscellaneous/iofactory.cpp
index 7f448825a..95cac144f 100755
--- a/src/miscellaneous/iofactory.cpp
+++ b/src/miscellaneous/iofactory.cpp
@@ -26,8 +26,8 @@ IOFactory::IOFactory() {
 }
 
 bool IOFactory::removeDirectory(const QString& directory_name,
-                                  const QStringList& exception_file_list,
-                                  const QStringList& exception_folder_list) {
+                                const QStringList& exception_file_list,
+                                const QStringList& exception_folder_list) {
   bool result = true;
   QDir dir(directory_name);
 
@@ -37,34 +37,48 @@ bool IOFactory::removeDirectory(const QString& directory_name,
                                QDir::Hidden | QDir::AllDirs | QDir::Files, QDir::DirsFirst)) {
       if (info.isDir()) {
         if (!exception_folder_list.contains(info.fileName())) {
-          result &= removeDirectory(info.absoluteFilePath(), exception_file_list);
+          result &= removeDirectory(info.absoluteFilePath(), exception_file_list, exception_folder_list);
         }
       }
       else if (!exception_file_list.contains(info.fileName())) {
-        result &= QFile::remove(info.absoluteFilePath());
+        if (!QFile::remove(info.absoluteFilePath())) {
+          result &= false;
+          qDebug("Failed to remove file \'%s\'.", qPrintable(QDir::toNativeSeparators(info.absoluteFilePath())));
+        }
+        else {
+          result &= true;
+        }
       }
     }
 
-    result &= dir.rmdir(directory_name);
+    if (dir.entryInfoList(QDir::NoDotAndDotDot | QDir::System | QDir::Hidden | QDir::AllDirs | QDir::Files).isEmpty()) {
+      result &= dir.rmdir(directory_name);
+    }
   }
 
   return result;
 }
 
 bool IOFactory::copyDirectory(QString source, QString destination) {
-  QDir dir(source);
+  QDir dir_source(source);
 
-  if (!dir.exists()) {
+  if (!dir_source.exists()) {
     return false;
   }
 
-  foreach (QString d, dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot)) {
+  QDir dir_destination(destination);
+
+  if (!dir_destination.exists()) {
+    dir_destination.mkpath(destination);
+  }
+
+  foreach (QString d, dir_source.entryList(QDir::Dirs | QDir::NoDotAndDotDot)) {
     QString dst_path = destination + QDir::separator() + d;
-    dir.mkpath(dst_path);
+    dir_source.mkpath(dst_path);
     copyDirectory(source + QDir::separator() + d, dst_path);
   }
 
-  foreach (QString f, dir.entryList(QDir::Files)) {
+  foreach (QString f, dir_source.entryList(QDir::Files)) {
     QString original_file = source + QDir::separator() + f;
     QString destination_file = destination + QDir::separator() + f;