Index: base/shell/explorer-new/explorer.c
===================================================================
--- base/shell/explorer-new/explorer.c	(revision 58178)
+++ base/shell/explorer-new/explorer.c	(working copy)
@@ -348,6 +348,24 @@
     return bRet;
 }
 
+/*
+ * HideMinimizedWindows function allows hiding minimized windows
+ * instead of showing their buttons in left bottom corner.
+ * We must call this function before we register ourselwes as default shell
+ * handlers, othwerise we will not be able to process shell messages.
+ */
+static void HideMinimizedWindows(BOOL hide)
+{
+    MINIMIZEDMETRICS mm; 
+    mm.cbSize = sizeof(MINIMIZEDMETRICS); 
+    SystemParametersInfo(SPI_GETMINIMIZEDMETRICS, sizeof(MINIMIZEDMETRICS), &mm, FALSE); 
+    if(hide)
+        mm.iArrange |= ARW_HIDE;
+    else
+        mm.iArrange &= ~ARW_HIDE;
+    SystemParametersInfo(SPI_SETMINIMIZEDMETRICS, sizeof(MINIMIZEDMETRICS), &mm, FALSE); 
+}
+
 INT WINAPI
 _tWinMain(IN HINSTANCE hInstance,
           IN HINSTANCE hPrevInstance,
@@ -392,6 +410,7 @@
         if (RegisterTrayWindowClass() && RegisterTaskSwitchWndClass())
         {
             Tray = CreateTrayWindow();
+            HideMinimizedWindows(TRUE);
 
             if (Tray != NULL)
                 hShellDesktop = DesktopCreateWindow(Tray);