diff --git a/rtgui/editwindow.cc b/rtgui/editwindow.cc
index a5592e6da..30114c006 100644
--- a/rtgui/editwindow.cc
+++ b/rtgui/editwindow.cc
@@ -53,15 +53,7 @@ EditWindow* EditWindow::getInstance(RTWindow* p, bool restore)
 EditWindow::EditWindow (RTWindow* p) : parent(p) , isFullscreen(false), isClosed(true)
 {
 
-    Glib::ustring fName = "rawtherapee-logo-24.png";
-    Glib::ustring fullPath = rtengine::findIconAbsolutePath(fName);
-
-    try {
-        set_default_icon_from_file (fullPath);
-    } catch(Glib::Exception& ex) {
-        printf ("%s\n", ex.what().c_str());
-    }
-
+    set_default_icon(p->get_icon());
     set_title_decorated("");
     set_modal(false);
     set_resizable(true);
@@ -69,16 +61,16 @@ EditWindow::EditWindow (RTWindow* p) : parent(p) , isFullscreen(false), isClosed
 
     property_destroy_with_parent().set_value(false);
 
-    mainNB = Gtk::manage (new Gtk::Notebook ());
-    mainNB->set_scrollable (true);
-    mainNB->signal_switch_page().connect_notify( sigc::mem_fun(*this, &EditWindow::on_mainNB_switch_page) );
+    mainNB = Gtk::manage(new Gtk::Notebook ());
+    mainNB->set_scrollable(true);
+    mainNB->signal_switch_page().connect_notify(sigc::mem_fun(*this, &EditWindow::on_mainNB_switch_page));
 
-    signal_key_press_event().connect( sigc::mem_fun(*this, &EditWindow::keyPressed) );
+    signal_key_press_event().connect(sigc::mem_fun(*this, &EditWindow::keyPressed));
 
-    Gtk::VBox* mainBox = Gtk::manage (new Gtk::VBox ());
-    mainBox->pack_start (*mainNB);
+    Gtk::VBox* mainBox = Gtk::manage(new Gtk::VBox());
+    mainBox->pack_start(*mainNB);
 
-    add (*mainBox);
+    add(*mainBox);
 
 }
 
diff --git a/rtgui/options.cc b/rtgui/options.cc
index b7975ddfe..b38a9f689 100644
--- a/rtgui/options.cc
+++ b/rtgui/options.cc
@@ -352,7 +352,14 @@ void Options::setDefaults()
     fbShowDateTime = true;
     fbShowBasicExif = true;
     fbShowExpComp = false;
+#ifdef WIN32
+    // use windows setting for visibility of hidden files/folders
+    SHELLFLAGSTATE sft = { 0 };
+    SHGetSettings(&sft, SSF_SHOWALLOBJECTS);
+    fbShowHidden = sft.fShowAllObjects;
+#else
     fbShowHidden = false;
+#endif
     fbArrangement = 2;                  // was 0
     navRGBUnit = NavigatorUnit::PERCENT;
     navHSVUnit = NavigatorUnit::PERCENT;
@@ -930,9 +937,11 @@ void Options::readFromFile(Glib::ustring fname)
                     fbShowExpComp = keyFile.get_boolean("File Browser", "BrowserShowsExpComp");
                 }
 
+#ifndef WIN32
                 if (keyFile.has_key("File Browser", "BrowserShowsHidden")) {
                     fbShowHidden = keyFile.get_boolean("File Browser", "BrowserShowsHidden");
                 }
+#endif
 
                 if (keyFile.has_key("File Browser", "MaxPreviewHeight")) {
                     maxThumbnailHeight = keyFile.get_integer("File Browser", "MaxPreviewHeight");
@@ -1887,7 +1896,9 @@ void Options::saveToFile(Glib::ustring fname)
         keyFile.set_boolean("File Browser", "BrowserShowsDate", fbShowDateTime);
         keyFile.set_boolean("File Browser", "BrowserShowsExif", fbShowBasicExif);
         keyFile.set_boolean("File Browser", "BrowserShowsExpComp", fbShowExpComp);
+#ifndef WIN32
         keyFile.set_boolean("File Browser", "BrowserShowsHidden", fbShowHidden);
+#endif
         keyFile.set_integer("File Browser", "ThumbnailSize", thumbSize);
         keyFile.set_integer("File Browser", "ThumbnailSizeTab", thumbSizeTab);
         keyFile.set_integer("File Browser", "ThumbnailSizeQueue", thumbSizeQueue);
diff --git a/rtgui/sharpenmicro.cc b/rtgui/sharpenmicro.cc
index 8686b747b..971f9247a 100644
--- a/rtgui/sharpenmicro.cc
+++ b/rtgui/sharpenmicro.cc
@@ -32,7 +32,7 @@ SharpenMicro::SharpenMicro () : FoldableToolPanel(this, "sharpenmicro", M("TP_SH
     auto m = ProcEventMapper::getInstance();
     EvSharpenMicroContrast = m->newEvent(SHARPENING, "HISTORY_MSG_MICROCONTRAST_CONTRAST");
 
-    contrast = Gtk::manage(new Adjuster (M("TP_SHARPENMICRO_CONTRAST"), 0, 100, 1, 20));
+    contrast = Gtk::manage(new Adjuster (M("TP_SHARPENMICRO_CONTRAST"), 0, 200, 1, 20));
     contrast->setAdjusterListener (this);
     contrast->show();