fixes #85392

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

@@ -7,28 +7,34 @@ import { IMenubarService, IMenubarData } from 'vs/platform/menubar/node/menubar'
 import { Menubar } from 'vs/platform/menubar/electron-main/menubar';
 import { ILogService } from 'vs/platform/log/common/log';
 import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
+import { ILifecycleMainService, LifecycleMainPhase } from 'vs/platform/lifecycle/electron-main/lifecycleMainService';
 
 export class MenubarMainService implements IMenubarService {
 
 	_serviceBrand: undefined;
 
-	private _menubar: Menubar;
+	private _menubar: Menubar | undefined;
 
 	constructor(
 		@IInstantiationService private readonly instantiationService: IInstantiationService,
+		@ILifecycleMainService private readonly lifecycleMainService: ILifecycleMainService,
 		@ILogService private readonly logService: ILogService
 	) {
 		// Install Menu
-		this._menubar = this.instantiationService.createInstance(Menubar);
+		this.lifecycleMainService.when(LifecycleMainPhase.AfterWindowOpen).then(() => {
+			this._menubar = this.instantiationService.createInstance(Menubar);
+		});
 	}
 
 	updateMenubar(windowId: number, menus: IMenubarData): Promise<void> {
-		this.logService.trace('menubarService#updateMenubar', windowId);
+		return this.lifecycleMainService.when(LifecycleMainPhase.AfterWindowOpen).then(() => {
+			this.logService.trace('menubarService#updateMenubar', windowId);
 
-		if (this._menubar) {
-			this._menubar.updateMenu(menus, windowId);
-		}
+			if (this._menubar) {
+				this._menubar.updateMenu(menus, windowId);
+			}
 
-		return Promise.resolve(undefined);
+			return undefined;
+		});
 	}
 }