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2026 年 7 月 14 日 — KB5100998 Windows 11 バージョン ...
Windows 11 バージョン 25H2 および Microsoft サーバー オペレーティング システム 24H2 用の 2026 年 7 月 14 日の更新プログラムには、.NET Framework 3.5 および 4.8.1 のセキュリティと累積的な信頼性の機能強化が含まれています。 この更新プログラムは、定期的な保守ルーチンの一部として適用することをお勧めします。 この更新プログラムをインストールする前に、「前提条件」と「再起動の必要性」のセクションを参照してください。 このセキュリティ更新プログラムは、 CVE-2026-47302 で詳しく説明されているサービス拒否の脆弱性に対応しています。
Error E100 occurs when you try to update your Xbox console
From the Something went wrong screen, select Troubleshoot to open the Xbox Startup Troubleshooter. If you need to manually bring up the Xbox Startup Troubleshooter, follow these steps: Power off your console, and then unplug the mains lead to ensure that the console is completely powered off.
XBOX Update Preview Release Notes
We are releasing a new XBOX Update Preview to the Alpha Skip-Ahead ring today. Continue reading below to learn all about what's included with this update. Note If you have enabled Keep my console up to date, the update will download and install automatically.
XBOX Update Preview Release Notes
We are releasing a new XBOX Update Preview to the Alpha Skip-Ahead ring today. Continue reading below to learn all about what's included with this update. Note If you have enabled Keep my console up to date, the update will download and install automatically.
Service outage message appears when you try to play a game ...
Service outage message appears when you try to play a game. When you try to play a game on your Xbox console, you may receive a message saying that the service is down. If so, this is probably related to Xbox network maintenance or a service outage. Solution. Check the Xbox status page.
購入の払い戻しを受ける | Xbox Support
Xbox ストアから購入の払い戻しを要求する方法について説明します。
Xbox recommended TV settings for HDR
To use the HDR Game Calibration app, press the Xbox button to open the guide, and then select Profile & system > Settings > General > TV & display options > Calibrate HDR for games. Many TVs maintain separate profiles for SDR picture settings and HDR picture settings.
How to locate your Device ID on a PC or handheld device
Locate your device ID on your PC or handheld gaming device.
Troubleshoot issues with the XBOX app on your smart TV or ...
When network conditions are slow or inconsistent, or there is packet loss, you may experience blocky, choppy, or distorted visuals, also known as “lag.” Other sources of lag include Bluetooth interference (from nearby Bluetooth devices) or not having game mode enabled on your TV.