fixes #60767

src/vs/platform/menubar/electron-main/menubar.ts

@@ -177,6 +177,10 @@ export class Menubar {
 	}
 
 	private get currentEnableNativeTabs(): boolean {
+		if (!isMacintosh) {
+			return false;
+		}
+
 		let enableNativeTabs = this.configurationService.getValue<boolean>('window.nativeTabs');
 		if (typeof enableNativeTabs !== 'boolean') {
 			enableNativeTabs = false;

src/vs/workbench/electron-browser/workbench.ts

@@ -941,7 +941,7 @@ export class Workbench extends Disposable implements IPartService {
 
 		const windowConfig = this.configurationService.getValue<IWindowSettings>();
 		if (windowConfig && windowConfig.window) {
-			const useNativeTabs = windowConfig.window.nativeTabs;
+			const useNativeTabs = isMacintosh && windowConfig.window.nativeTabs;
 			if (useNativeTabs) {
 				return null; // native tabs on sierra do not work with custom title style
 			}