diff --git a/resources/profiles/PrusaResearch.idx b/resources/profiles/PrusaResearch.idx
index 3bc2aeffd..b43e26663 100644
--- a/resources/profiles/PrusaResearch.idx
+++ b/resources/profiles/PrusaResearch.idx
@@ -1,7 +1,6 @@
 # This is an example configuration version index.
 # The index contains version numbers 
 min_slic3r_version =1.39.0
-max_slic3r_version= 1.39.5
 1.1.1
 1.1.0
 0.2.0-alpha "some test comment"
diff --git a/xs/src/slic3r/GUI/ConfigWizard.cpp b/xs/src/slic3r/GUI/ConfigWizard.cpp
index 467c13e16..00f8399e6 100644
--- a/xs/src/slic3r/GUI/ConfigWizard.cpp
+++ b/xs/src/slic3r/GUI/ConfigWizard.cpp
@@ -203,7 +203,7 @@ void ConfigWizardPage::enable_next(bool enable) { parent->p->enable_next(enable)
 // Wizard pages
 
 PageWelcome::PageWelcome(ConfigWizard *parent) :
-	ConfigWizardPage(parent, _(L("Welcome to the Slic3r Configuration assistant")), _(L("Welcome"))),
+	ConfigWizardPage(parent, wxString::Format(_(L("Welcome to the Slic3r %s")), ConfigWizard::name()), _(L("Welcome"))),
 	printer_picker(nullptr),
 	others_buttons(new wxPanel(parent))
 {
@@ -257,16 +257,26 @@ PageUpdate::PageUpdate(ConfigWizard *parent) :
 	preset_update(true)
 {
 	const AppConfig *app_config = GUI::get_app_config();
+	auto boldfont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+	boldfont.SetWeight(wxFONTWEIGHT_BOLD);
 
-	append_text(_(L("TODO: text")));
-	auto *box_slic3r = new wxCheckBox(this, wxID_ANY, _(L("Check for Slic3r updates")));
+	auto *box_slic3r = new wxCheckBox(this, wxID_ANY, _(L("Check for application updates")));
 	box_slic3r->SetValue(app_config->get("version_check") == "1");
 	append(box_slic3r);
+	append_text(_(L("If enabled, Slic3r checks for new versions of Slic3r PE online. When a new version becomes available a notification is displayed at the next application startup (never during program usage). This is only a notification mechanisms, no automatic installation is done.")));
+
+	append_spacer(VERTICAL_SPACING);
 
-	append_text(_(L("TODO: text")));
 	auto *box_presets = new wxCheckBox(this, wxID_ANY, _(L("Update built-in Presets automatically")));
 	box_presets->SetValue(app_config->get("preset_update") == "1");
 	append(box_presets);
+	append_text(_(L("If enabled, Slic3r downloads updates of built-in system presets in the background. These updates are downloaded into a separate temporary location. When a new preset version becomes available it is offered at application startup.")));
+	const auto text_bold = _(L("Updates are never applied without user's consent and never overwrite user's customized settings."));
+	auto *label_bold = new wxStaticText(this, wxID_ANY, text_bold);
+	label_bold->SetFont(boldfont);
+	label_bold->Wrap(CONTENT_WIDTH);
+	append(label_bold);
+	append_text(_(L("Additionally a backup snapshot of the whole configuration is created before an update is applied.")));
 
 	box_slic3r->Bind(wxEVT_CHECKBOX, [this](wxCommandEvent &event) { this->version_check = event.IsChecked(); });
 	box_presets->Bind(wxEVT_CHECKBOX, [this](wxCommandEvent &event) { this->preset_update = event.IsChecked(); });
@@ -277,15 +287,12 @@ PageVendors::PageVendors(ConfigWizard *parent) :
 {
 	append_text(_(L("Pick another vendor supported by Slic3r PE:")));
 
-	// const PresetBundle &bundle = wizard_p()->bundle_vendors;
-	// const auto &vendors = wizard_p()->vendors;
 	auto boldfont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 	boldfont.SetWeight(wxFONTWEIGHT_BOLD);
 
 	AppConfig &appconfig_vendors = this->wizard_p()->appconfig_vendors;
 	wxArrayString choices_vendors;
 
-	// for (const auto &vendor : vendors) {
 	for (const auto vendor_pair : wizard_p()->vendors) {
 		const auto &vendor = vendor_pair.second;
 		if (vendor.id == "PrusaResearch") { continue; }
@@ -737,7 +744,7 @@ void ConfigWizard::priv::apply_config(AppConfig *app_config, PresetBundle *prese
 // Public
 
 ConfigWizard::ConfigWizard(wxWindow *parent, bool fresh_start) :
-	wxDialog(parent, wxID_ANY, _(L("Configuration Assistant")), wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER),
+	wxDialog(parent, wxID_ANY, name(), wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER),
 	p(new priv(this))
 {
 	p->fresh_start = fresh_start;
@@ -804,5 +811,16 @@ void ConfigWizard::run(PresetBundle *preset_bundle, PresetUpdater *updater)
 }
 
 
+const wxString& ConfigWizard::name()
+{
+	// A different naming convention is used for the Wizard on Windows vs. OSX & GTK.
+#if WIN32
+	static const wxString config_wizard_name = _(L("Configuration Wizard"));
+#else
+	static const wxString config_wizard_name = _(L("Configuration Assistant"));
+#endif
+	return config_wizard_name;
+}
+
 }
 }
diff --git a/xs/src/slic3r/GUI/ConfigWizard.hpp b/xs/src/slic3r/GUI/ConfigWizard.hpp
index d1d994ac1..66c8b3a95 100644
--- a/xs/src/slic3r/GUI/ConfigWizard.hpp
+++ b/xs/src/slic3r/GUI/ConfigWizard.hpp
@@ -24,6 +24,8 @@ public:
 	~ConfigWizard();
 
 	void run(PresetBundle *preset_bundle, PresetUpdater *updater);
+
+	static const wxString& name();
 private:
 	struct priv;
 	std::unique_ptr<priv> p;
diff --git a/xs/src/slic3r/GUI/GUI.cpp b/xs/src/slic3r/GUI/GUI.cpp
index 96d137165..bfdd46287 100644
--- a/xs/src/slic3r/GUI/GUI.cpp
+++ b/xs/src/slic3r/GUI/GUI.cpp
@@ -377,16 +377,9 @@ void add_config_menu(wxMenuBar *menu, int event_preferences_changed, int event_l
     auto local_menu = new wxMenu();
     wxWindowID config_id_base = wxWindow::NewControlId((int)ConfigMenuCnt);
 
-	// A different naming convention is used for the Wizard on Windows vs. OSX & GTK.	
-#if WIN32
-    auto config_wizard_menu    = _(L("Configuration Wizard"));
-    auto config_wizard_tooltip = _(L("Run configuration wizard"));
-#else
-    auto config_wizard_menu    = _(L("Configuration Assistant"));
-    auto config_wizard_tooltip = _(L("Run configuration Assistant"));
-#endif
+    const auto config_wizard_tooltip = wxString::Format(_(L("Run %s")), ConfigWizard::name());
     // Cmd+, is standard on OS X - what about other operating systems?
-   	local_menu->Append(config_id_base + ConfigMenuWizard, 		config_wizard_menu + "\u2026", 			config_wizard_tooltip);
+   	local_menu->Append(config_id_base + ConfigMenuWizard, 		ConfigWizard::name() + "\u2026", 		config_wizard_tooltip);
    	local_menu->Append(config_id_base + ConfigMenuSnapshots, 	_(L("Configuration Snapshots\u2026")), 	_(L("Inspect / activate configuration snapshots")));
    	local_menu->Append(config_id_base + ConfigMenuTakeSnapshot, _(L("Take Configuration Snapshot")), 	_(L("Capture a configuration snapshot")));
    	local_menu->Append(config_id_base + ConfigMenuUpdate, 		_(L("Check for updates")), 				_(L("Check for configuration updates")));
diff --git a/xs/src/slic3r/Utils/PresetUpdater.cpp b/xs/src/slic3r/Utils/PresetUpdater.cpp
index dc3b95d79..939be863c 100644
--- a/xs/src/slic3r/Utils/PresetUpdater.cpp
+++ b/xs/src/slic3r/Utils/PresetUpdater.cpp
@@ -9,6 +9,7 @@
 #include <boost/algorithm/string.hpp>
 #include <boost/filesystem.hpp>
 #include <boost/filesystem/fstream.hpp>
+#include <boost/log/trivial.hpp>
 
 #include <wx/app.h>
 #include <wx/event.h>
@@ -114,8 +115,6 @@ bool PresetUpdater::priv::get_file(const std::string &url, const fs::path &targe
 {
 	std::cerr << "get_file(): " << url << " -> " << target_path << std::endl;
 
-	// TODO: Proper caching
-
 	bool res = false;
 	fs::path tmp_path = target_path;
 	tmp_path += TMP_EXTENSION;
@@ -251,7 +250,8 @@ Updates PresetUpdater::priv::config_update() const
 
 		const auto ver_current = idx.find(vp.config_version);
 		if (ver_current == idx.end()) {
-			// TODO: throw / ignore ?
+			BOOST_LOG_TRIVIAL(warning) << boost::format("Preset bundle (`%1%`) version not found in index: %2%") % idx.vendor() % vp.config_version.to_string();
+			continue;
 		}
 
 		const auto recommended = idx.recommended();