Index: reactos/dll/win32/shell32/shelldesktop/CDesktopBrowser.cpp
===================================================================
--- reactos/dll/win32/shell32/shelldesktop/CDesktopBrowser.cpp	(revision 75378)
+++ reactos/dll/win32/shell32/shelldesktop/CDesktopBrowser.cpp	(working copy)
@@ -383,6 +383,8 @@
         ::ShowWindow(m_hWnd, SW_RESTORE);
     }
 
+    ::InvalidateRect(m_hWndShellView, NULL, TRUE);
+
     return 0;
 }
 
Index: reactos/win32ss/user/ntuser/desktop.c
===================================================================
--- reactos/win32ss/user/ntuser/desktop.c	(revision 75378)
+++ reactos/win32ss/user/ntuser/desktop.c	(working copy)
@@ -1346,9 +1346,14 @@
 
         if (!UserSystemParametersInfo(SPI_GETWORKAREA, 0, &Rect, 0))
         {
+            Rect.left = Rect.top = 0;
             Rect.right  = UserGetSystemMetrics(SM_CXSCREEN);
             Rect.bottom = UserGetSystemMetrics(SM_CYSCREEN);
         }
+        else
+        {
+            RECTL_vOffsetRect(&Rect, -Rect.left, -Rect.top);
+        }
 
         /*
          * Set up the fonts (otherwise use default ones)