Index: AE/Installer/trunk/source/aeinstallerapp.cpp
===================================================================
--- AE/Installer/trunk/source/aeinstallerapp.cpp	(revision 400)
+++ AE/Installer/trunk/source/aeinstallerapp.cpp	(revision 401)
@@ -111,5 +111,15 @@
 	TheWindow = mainWindow;
 	
-#ifndef WIN32
+#ifdef WIN32
+	 HKEY hKey;
+	 if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\.NETFramework\\policy\\v2.0", 0L, KEY_READ , &hKey) == ERROR_SUCCESS) {
+		 wxMessageDialog* MonoDialogOfDeath = new wxMessageDialog(TheWindow, "You don't have .NET 2.0 installed! .NET is a framework required by the Edition. You can download it from:\nhttp://gumby.oni2.net/dotnet\nPlease install .NET 2.0, then open this Installer again. \n\nWould you like to open the download webpage?",  "AE Installer Alert",  wxYES_NO | wxICON_EXCLAMATION	, wxDefaultPosition);
+		 if(MonoDialogOfDeath->ShowModal() == wxID_YES) {
+			system("start http://www.microsoft.com/downloads/details.aspx?familyid=0856eacb-4362-4b0d-8edd-aab15c5e04f5");
+		 }
+		RegCloseKey(hKey);
+		TheWindow->Close();
+	 }
+#else
 	// test for the third-party mono framework, because without it, on Mac, we are up a creek
 	char monoCommand[300] = "which mono >> ";