diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index d5b267927..12f3a82f0 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -811,13 +811,14 @@ void GUI_App::post_init()
             // preset_updater->sync downloads profile updates on background so it must begin after config wizard finished.
             bool cw_showed = this->config_wizard_startup();
             this->preset_updater->sync(preset_bundle);
-            this->app_version_check(false);
             if (! cw_showed) {
                 // The CallAfter is needed as well, without it, GL extensions did not show.
                 // Also, we only want to show this when the wizard does not, so the new user
                 // sees something else than "we want something" on the first start.
-                show_send_system_info_dialog_if_needed();
-            }
+                show_send_system_info_dialog_if_needed();   
+            }  
+            // app version check is asynchronous and triggers blocking dialog window, better call it last
+            this->app_version_check(false);
         });
     }
 
@@ -1245,7 +1246,7 @@ bool GUI_App::on_init_inner()
         preset_updater = new PresetUpdater();
         Bind(EVT_SLIC3R_VERSION_ONLINE, &GUI_App::on_version_read, this);
         Bind(EVT_SLIC3R_EXPERIMENTAL_VERSION_ONLINE, [this](const wxCommandEvent& evt) {
-            if (this->plater_ != nullptr && app_config->get("notify_release") == "all") {
+            if (this->plater_ != nullptr && (m_app_updater->get_triggered_by_user() || app_config->get("notify_release") == "all")) {
                 std::string evt_string = into_u8(evt.GetString());
                 if (*Semver::parse(SLIC3R_VERSION) < *Semver::parse(evt_string)) {
                     auto notif_type = (evt_string.find("beta") != std::string::npos ? NotificationType::NewBetaAvailable : NotificationType::NewAlphaAvailable);
@@ -3305,7 +3306,8 @@ void GUI_App::on_version_read(wxCommandEvent& evt)
     app_config->set("version_online", into_u8(evt.GetString()));
     app_config->save();
     std::string opt = app_config->get("notify_release");
-    if (this->plater_ == nullptr || (opt != "all" && opt != "release")) {
+    if (this->plater_ == nullptr || (!m_app_updater->get_triggered_by_user() && opt != "all" && opt != "release")) {
+        BOOST_LOG_TRIVIAL(info) << "Version online: " << evt.GetString() << ". User does not wish to be notified.";
         return;
     }
     if (*Semver::parse(SLIC3R_VERSION) >= *Semver::parse(into_u8(evt.GetString()))) {
@@ -3355,7 +3357,7 @@ void GUI_App::app_updater(bool from_user)
     assert(!app_data.target_path.empty());
 
     // dialog with new version info
-    AppUpdateAvailableDialog dialog(*Semver::parse(SLIC3R_VERSION), *app_data.version);
+    AppUpdateAvailableDialog dialog(*Semver::parse(SLIC3R_VERSION), *app_data.version, from_user);
     auto dialog_result = dialog.ShowModal();
     // checkbox "do not show again"
     if (dialog.disable_version_check()) {
diff --git a/src/slic3r/GUI/Preferences.cpp b/src/slic3r/GUI/Preferences.cpp
index cc57bcffd..fc9ea1867 100644
--- a/src/slic3r/GUI/Preferences.cpp
+++ b/src/slic3r/GUI/Preferences.cpp
@@ -89,6 +89,13 @@ void PreferencesDialog::show(const std::string& highlight_opt_key /*= std::strin
 	m_custom_toolbar_size		= atoi(get_app_config()->get("custom_toolbar_size").c_str());
 	m_use_custom_toolbar_size	= get_app_config()->get("use_custom_toolbar_size") == "1";
 
+	// set Field for notify_release to its value
+	if (m_optgroup_gui && m_optgroup_gui->get_field("notify_release") != nullptr) {
+		boost::any val = s_keys_map_NotifyReleaseMode.at(wxGetApp().app_config->get("notify_release"));
+		m_optgroup_gui->get_field("notify_release")->set_value(val, false);
+	}
+	
+
 	if (wxGetApp().is_editor()) {
 		auto app_config = get_app_config();
 
diff --git a/src/slic3r/GUI/UpdateDialogs.cpp b/src/slic3r/GUI/UpdateDialogs.cpp
index e8edd5798..258a9c784 100644
--- a/src/slic3r/GUI/UpdateDialogs.cpp
+++ b/src/slic3r/GUI/UpdateDialogs.cpp
@@ -93,7 +93,7 @@ bool MsgUpdateSlic3r::disable_version_check() const
 
  wxSize AppUpdateAvailableDialog::AUAD_size;
 // AppUpdater
-AppUpdateAvailableDialog::AppUpdateAvailableDialog(const Semver& ver_current, const Semver& ver_online)
+AppUpdateAvailableDialog::AppUpdateAvailableDialog(const Semver& ver_current, const Semver& ver_online, bool from_user)
 	: MsgDialog(nullptr, _(L("App Update available")), wxString::Format(_(L("New version of %s is available.\nDo you wish to download it?")), SLIC3R_APP_NAME))
 {
 	auto* versions = new wxFlexGridSizer(1, 0, VERT_SPACING);
@@ -104,8 +104,10 @@ AppUpdateAvailableDialog::AppUpdateAvailableDialog(const Semver& ver_current, co
 	content_sizer->Add(versions);
 	content_sizer->AddSpacer(VERT_SPACING);
 
-	cbox = new wxCheckBox(this, wxID_ANY, _(L("Don't notify about new releases any more")));
-	content_sizer->Add(cbox);
+	if(!from_user) {
+		cbox = new wxCheckBox(this, wxID_ANY, _(L("Don't notify about new releases any more")));
+		content_sizer->Add(cbox);
+	}
 	content_sizer->AddSpacer(VERT_SPACING);
 	
 	AUAD_size = content_sizer->GetSize();
@@ -125,6 +127,8 @@ AppUpdateAvailableDialog::~AppUpdateAvailableDialog() {}
 
 bool AppUpdateAvailableDialog::disable_version_check() const
 {
+	if (!cbox)
+		return false;
 	return cbox->GetValue();
 }
 
diff --git a/src/slic3r/GUI/UpdateDialogs.hpp b/src/slic3r/GUI/UpdateDialogs.hpp
index 2eb4ff8d4..0f5e1d6fb 100644
--- a/src/slic3r/GUI/UpdateDialogs.hpp
+++ b/src/slic3r/GUI/UpdateDialogs.hpp
@@ -42,7 +42,7 @@ private:
 class AppUpdateAvailableDialog : public MsgDialog
 {
 public:
-	AppUpdateAvailableDialog(const Semver& ver_current, const Semver& ver_online);
+	AppUpdateAvailableDialog(const Semver& ver_current, const Semver& ver_online, bool from_user);
 	AppUpdateAvailableDialog(AppUpdateAvailableDialog&&) = delete;
 	AppUpdateAvailableDialog(const AppUpdateAvailableDialog&) = delete;
 	AppUpdateAvailableDialog& operator=(AppUpdateAvailableDialog&&) = delete;
@@ -53,7 +53,7 @@ public:
 	bool disable_version_check() const;
 	static wxSize AUAD_size;
 private:
-	wxCheckBox* cbox;
+	wxCheckBox* cbox {nullptr};
 };
 
 class AppUpdateDownloadDialog : public MsgDialog
diff --git a/src/slic3r/Utils/AppUpdater.cpp b/src/slic3r/Utils/AppUpdater.cpp
index bd71e86ec..aa3339f1e 100644
--- a/src/slic3r/Utils/AppUpdater.cpp
+++ b/src/slic3r/Utils/AppUpdater.cpp
@@ -221,7 +221,7 @@ boost::filesystem::path AppUpdater::priv::download_file(const DownloadAppData& d
 			} 
 			// progress event
 			size_t gui_progress = progress.dltotal > 0 ? 100 * progress.dlnow / progress.dltotal : 0;
-			BOOST_LOG_TRIVIAL(error) << "App download " << gui_progress << "% " << progress.dlnow << " of " << progress.dltotal;
+			BOOST_LOG_TRIVIAL(debug) << "App download " << gui_progress << "% " << progress.dlnow << " of " << progress.dltotal;
 			if (last_gui_progress < gui_progress && (last_gui_progress != 0 || gui_progress != 100)) {
 				last_gui_progress = gui_progress;
 				wxCommandEvent* evt = new wxCommandEvent(EVT_SLIC3R_APP_DOWNLOAD_PROGRESS);
@@ -243,14 +243,15 @@ boost::filesystem::path AppUpdater::priv::download_file(const DownloadAppData& d
 			tmp_path += format(".%1%%2%", get_current_pid(), ".download");
 			try
 			{
-				boost::nowide::fstream file(tmp_path.string(), std::ios::out | std::ios::binary | std::ios::trunc);
-				file.write(body.c_str(), body.size());
-				file.close();
+				FILE* file;
+				file = fopen(tmp_path.string().c_str(), "wb");
+				fwrite(body.c_str(), 1, body.size(), file);
+				fclose(file);
 				boost::filesystem::rename(tmp_path, dest_path);
 			}
-			catch (const std::exception&)
+			catch (const std::exception& e)
 			{
-				error_message = GUI::format("Failed to write and move %1% to %2%", tmp_path, dest_path);
+				error_message = GUI::format("Failed to write and move %1% to %2%:/n%3%", tmp_path, dest_path, e.what());
 				return false;
 			}
 			return true;
@@ -363,10 +364,10 @@ void AppUpdater::priv::parse_version_string(const std::string& body)
 				if (data.first == "url") {
 					new_data.url = data.second.data();
 					new_data.target_path = m_default_dest_folder / AppUpdater::get_filename_from_url(new_data.url);
-					BOOST_LOG_TRIVIAL(error) << format("parsing version string: url: %1%", new_data.url);
+					BOOST_LOG_TRIVIAL(info) << format("parsing version string: url: %1%", new_data.url);
 				} else if (data.first == "size"){
 					new_data.size = std::stoi(data.second.data());
-					BOOST_LOG_TRIVIAL(error) << format("parsing version string: expected size: %1%", new_data.size);
+					BOOST_LOG_TRIVIAL(info) << format("parsing version string: expected size: %1%", new_data.size);
 				}
 			}
 		}