Summary. This article helps you reset the Hosts file back to the default. What's the Hosts file. The Hosts file is used by the operating system to map human-friendly hostnames to numerical Internet Protocol (IP) addresses which identify and locate a host in an IP network.

Windows 8.1、Windows 8、Windows 7、または Windows Vista でクリーン ブートを使用して問題のトラブルシューティングを行う方法について説明します。

When upgrading to Windows 10, you may encounter the error “We couldn’t update system reserved partition”, error code 0xc1900104, or error code 0x8000f0922.

If there was an unusual sign-in attempt for your account, you'll get an email or text message. We'll send a message to all your alternate contact methods.

Help for Microsoft mobile apps on Android and iOS devices. Find how-to articles and video tutorials for Samsung Galaxy and iPhone. Learn how to link your Microsoft 365 mobile apps, including Outlook, OneNote, and Your Phone.

Obtenga información sobre cómo solucionar errores de Reproductor de Windows Media. Explore recursos para obtener ayuda general con Reproductor de Windows Media.

Saiba mais sobre as opções de recuperação no Windows. Saiba como restaurar o computador, desfazer a atualização e voltar para uma versão anterior do Windows ou usar uma mídia para reinstalar o Windows.

Experimenta la Web de una forma totalmente nueva cambiando al explorador Microsoft Edge desde Internet Explorer o Microsoft Edge (versión heredada).

Microsoft 支持可帮助你处理 Microsoft 产品的问题。 查找有关 Microsoft Copilot、Microsoft 365、Windows、Surface 等操作方法的文章、视频和培训。

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.