diff --git a/trunk/CardCup/main.cpp b/trunk/CardCup/main.cpp
index 6da1878..cc68b57 100644
--- a/trunk/CardCup/main.cpp
+++ b/trunk/CardCup/main.cpp
@@ -46,6 +46,13 @@ ScrollBuffer *s_scrollBuffer;
 
 char s_updaterBuffer[1 << 20] NN_ATTRIBUTE_ALIGN(4096);
 
+const u8 CUP_MAJOR_VER_3ND_NUP = 4;
+
+bool IsOver3rdNup(u8 cupMajor)
+{
+    return CUP_MAJOR_VER_3ND_NUP <= cupMajor;
+}
+
 nn::ProgramId GetHomeMenuProgramId(nn::cfg::CTR::CfgRegionCode region)
 {
 nn::ProgramId   pid;
@@ -287,14 +294,46 @@ nn::Result ExecuteCup(ScrollBuffer* scrollBuf)
     return result;
 }
 
+void ShowError(const char* str)
+{
+    s_scrollBuffer->AppendText(str);
+    for (;;)
+    {
+        s_RenderSystem.SetRenderTarget(NN_GX_DISPLAY0);
+        s_RenderSystem.SetClearColor(NN_GX_DISPLAY0, 1, 0, 0, 1);
+        s_RenderSystem.Clear();
+        s_RenderSystem.SwapBuffers();
+        s_RenderSystem.SetRenderTarget(NN_GX_DISPLAY1);
+        s_RenderSystem.SetClearColor(NN_GX_DISPLAY1, 1, 0, 0, 1);
+        s_RenderSystem.Clear();
+        s_scrollBuffer->Render();
+        s_RenderSystem.SwapBuffers();
+
+        if (nn::applet::IsExpectedToCloseApplication())
+        {
+            nn::applet::PrepareToCloseApplication();
+            nn::applet::CloseApplication();
+        }
+    }
+}
+
 extern "C" void nnMain()
 {
     NN_LOG("Start Self Cup\n");
     nn::Result result;
     Initialize();
+    VerDef versionData;
 
     nn::cfg::CfgRegionCode region = nn::cfg::GetRegion();
     nn::ProgramId MMEN_PROGRAM_ID = GetHomeMenuProgramId(region);
+    GetSystemVersion(&versionData, region);
+    s_scrollBuffer->AppendText("Version: %d.%d.%d-%d%c", versionData.cup.majorVersion, versionData.cup.minorVersion,
+            versionData.cup.microVersion, versionData.nup.majorVersion, nn::cfg::GetRegionCodeA3(region)[0]);
+
+    if(IsOver3rdNup(versionData.cup.majorVersion))
+    {
+        ShowError("Cannot Update");
+    }
 
     nn::am::ProgramInfo outInfos;
     result = nn::am::GetProgramInfos(&outInfos, nn::fs::MEDIA_TYPE_NAND, &MMEN_PROGRAM_ID, 1);
@@ -308,7 +347,6 @@ extern "C" void nnMain()
     }
 
     s_scrollBuffer->AppendText("")->Render();
-    VerDef versionData;
     GetSystemVersion(&versionData, region);
 
     s_scrollBuffer->AppendText("Version: %d.%d.%d-%d%c", versionData.cup.majorVersion, versionData.cup.minorVersion,