Prevent DirectWrite from being ON under Windows Sever (Core)

Author: donho

PowerEditor/src/ScintillaComponent/ScintillaEditView.cpp

@@ -19,6 +19,7 @@
 #include <shlwapi.h>
 #include <cinttypes>
 #include <windowsx.h>
+#include <versionhelpers.h>
 #include "ScintillaEditView.h"
 #include "Parameters.h"
 #include "localization.h"
@@ -314,7 +315,8 @@ void ScintillaEditView::init(HINSTANCE hInst, HWND hPere)
 	if (hNtdllModule)
 		isWINE = ::GetProcAddress(hNtdllModule, "wine_get_version");
 
-	if (isWINE) // There is a performance issue under WINE when DirectWright is ON, so we turn it off if user uses Notepad++ under WINE
+	if (isWINE || // There is a performance issue under WINE when DirectWrite is ON, so we turn it off if user uses Notepad++ under WINE
+		::IsWindowsServer()) // In the case of Windows Server Core, DirectWrite cannot be on.
 		nppGui._writeTechnologyEngine = defaultTechnology;
 
 	if (nppGui._writeTechnologyEngine == directWriteTechnology)