diff --git a/PKHeX.WinForms/Controls/Slots/PokePreview.cs b/PKHeX.WinForms/Controls/Slots/PokePreview.cs
index a8062b631..068ebe870 100644
--- a/PKHeX.WinForms/Controls/Slots/PokePreview.cs
+++ b/PKHeX.WinForms/Controls/Slots/PokePreview.cs
@@ -467,7 +467,6 @@ public void MoveForm(int x, int y)
         const uint SWP_ASYNCWINDOWPOS = 0x4000;
         const uint flags = SWP_NOZORDER | SWP_NOSIZE | SWP_NOREDRAW | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_ASYNCWINDOWPOS;
 
-
         const int HWND_TOPMOST = -1;
         SetWindowPos(Handle, HWND_TOPMOST, x, y, 0, 0, flags);
         return;
diff --git a/PKHeX.WinForms/Controls/Slots/SummaryPreviewer.cs b/PKHeX.WinForms/Controls/Slots/SummaryPreviewer.cs
index d785f8806..7be89bd10 100644
--- a/PKHeX.WinForms/Controls/Slots/SummaryPreviewer.cs
+++ b/PKHeX.WinForms/Controls/Slots/SummaryPreviewer.cs
@@ -70,12 +70,32 @@ private static void SetWindowState(Form frm, bool visible)
     {
         try
         {
+            if (!frm.IsHandleCreated || frm.IsDisposed)
+                return;
+
             const int SW_SHOWNOACTIVATE = 4;
-            var state = visible ? SW_SHOWNOACTIVATE : 0;
-            ShowWindowAsync(frm.Handle, state);
+            const int HWND_TOPMOST = -1;
+            const uint SWP_NOMOVE = 0x0002;
+            const uint SWP_NOSIZE = 0x0001;
+            const uint SWP_NOACTIVATE = 0x0010;
+            const uint SWP_SHOWWINDOW = 0x0040;
+            const uint SWP_NOOWNERZORDER = 0x0200;
+
+            if (visible)
+            {
+                ShowWindowAsync(frm.Handle, SW_SHOWNOACTIVATE);
+                SetWindowPos(frm.Handle, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOOWNERZORDER);
+            }
+            else
+            {
+                ShowWindowAsync(frm.Handle, 0);
+            }
 
             [System.Runtime.InteropServices.DllImport("user32.dll")]
             static extern bool ShowWindowAsync(nint hWnd, int nCmdShow);
+
+            [System.Runtime.InteropServices.DllImport("user32.dll")]
+            static extern bool SetWindowPos(nint hWnd, nint hWndInsertAfter, int x, int y, int cx, int cy, uint uFlags);
         }
         catch
         {