Display(id: 65537, size: Size(3456.0, 2090.0), devicePixelRatio: 2.0, refreshRate: 120.0)
[ERROR:flutter/runtime/dart_vm_initializer.cc(40)] Unhandled Exception: 'dart:ui/window.dart': Failed assertion: line 106 pos 12: '<optimized out>': is not true.
#0      _AssertionError._doThrowNew (dart:core-patch/errors_patch.dart:67:4)
#1      _AssertionError._throwNew (dart:core-patch/errors_patch.dart:49:5)
#2      FlutterView.display (dart:ui/window.dart:106:12)
#3      main (package:untitled/main.dart:64:64)
#4      _runMain.<anonymous closure> (dart:ui/hooks.dart:345:23)
#5      _delayEntrypointInvocation.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:314:19)
#6      _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:193:12)

import 'dart:convert';
import 'dart:ffi';

import 'package:flutter/material.dart';

void main() {
  WidgetsFlutterBinding.ensureInitialized();

  // GOOD CALL
  print(WidgetsBinding.instance.platformDispatcher.views.first.display);

  final user32 = DynamicLibrary.open('user32.dll');
  final msvcrt = DynamicLibrary.open('msvcrt.dll');

  final malloc = msvcrt
      .lookupFunction<
        Pointer<Void> Function(IntPtr),
        Pointer<Void> Function(int)
      >('malloc');

  final findWindowA = user32
      .lookupFunction<
        Pointer<Void> Function(Pointer<Int8>, Pointer<Int8>),
        Pointer<Void> Function(Pointer<Int8>, Pointer<Int8>)
      >('FindWindowA');

  final setWindowPos = user32
      .lookupFunction<
        Int32 Function(
          Pointer<Void>,
          Pointer<Void>,
          Int32,
          Int32,
          Int32,
          Int32,
          Uint32,
        ),
        int Function(Pointer<Void>, Pointer<Void>, int, int, int, int, int)
      >('SetWindowPos');

  final classNameBytes = [...ascii.encode('FLUTTER_RUNNER_WIN32_WINDOW'), 0];
  final ptr = malloc(classNameBytes.length).cast<Int8>();

  for (var i = 0; i < classNameBytes.length; i++) {
    ptr[i] = classNameBytes[i];
  }

  final hwnd = findWindowA(ptr, nullptr.cast());

  if (hwnd.address != 0) {
    setWindowPos(
      hwnd,
      nullptr,
      0,
      0,
      100,
      200,
      // SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED
      0x0004 | 0x0010 | 0x0020,
    );
  }

  // ALREADY BAD CALL
  print(WidgetsBinding.instance.platformDispatcher.views.first.display);

  runApp(const MaterialApp(debugShowCheckedModeBanner: false, home: Test()));
}

class Test extends StatelessWidget {
  const Test({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: const Color(0xFFF0F2F5),
      body: Center(
        child: SizedBox(
          width: 1000,
          height: 600,
          child: GridView.builder(
            padding: const EdgeInsets.all(20),
            gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
              crossAxisCount: 4,
              crossAxisSpacing: 20,
              mainAxisSpacing: 20,
              childAspectRatio: 16 / 9,
            ),
            itemCount: 8,
            itemBuilder: (context, index) {
              return SizedBox(child: Text('123'));
            },
          ),
        ),
      ),
    );
  }
}

Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 3.38.3, on Microsoft Windows [Version 10.0.26100.7171], locale en-US)
[√] Windows Version (Windows 11 or higher, 24H2, 2009)
[X] Android toolchain - develop for Android devices
    X Unable to locate Android SDK.
      Install Android Studio from: https://developer.android.com/studio/index.html
      On first launch it will assist you in installing the Android SDK components.
      (or visit https://flutter.dev/to/windows-android-setup for detailed instructions).
      If the Android SDK has been installed to a custom location, please use
      `flutter config --android-sdk` to update to that location.

[X] Chrome - develop for the web (Cannot find Chrome executable at .\Google\Chrome\Application\chrome.exe)
    ! Cannot find Chrome. Try setting CHROME_EXECUTABLE to a Chrome executable.
[√] Visual Studio - develop Windows apps (Visual Studio Professional 2022 17.14.21 (November 2025))
[√] Connected device (2 available)
[√] Network resources

! Doctor found issues in 2 categories.