Consider the following scenario: You have a mobile broadband module or adapter installed on a Windows 8.1-based computer. The module or adapter uses an access point name (APN) to connect to the Internet. You first connect to an APN that uses Dynamic Host Configuration Protocol (DHCP) to obtain an IP address and a default gateway.

First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.

This update includes a fix for an incorrect device driver (“Microsoft – WPD – 2/22/2016 12:00:00 AM - 5.2.5326.4762”) that was released by a third-party on March 8, 2017 that affected a small group of users with USB connected phones or other media devices that rely on Media Transfer Protocol (MTP).

Corrige um problema no qual você não pode acessar a Internet quando você usar dois diferentes APNs no Windows 8.1. Ocorre se os usos APN DHCP primeiro e o segundo APN não.

Modul oder Adapter verwendet ein Access Point Name (APN) Verbindung mit dem Internet. Sie verbinden zuerst ein APN, der Dynamic Host Configuration Protocol (DHCP) zu einer IP-Adresse und ein Standardgateway verwendet.

Corrigeert een probleem waarbij u geen toegang het Internet tot wanneer u twee verschillende APNs in Windows 8.1. Deze gebeurtenis vindt plaats als de eerste APN DHCP en de tweede APN niet.

Модул или карта използва точка за достъп (APN, за) да се свържете към интернет. Първо свързване към APN, който използва Dynamic Host Configuration Protocol (DHCP), за да получи IP адрес и шлюз по подразбиране.

您具有移动宽带模块或基于 Windows 8.1 的计算机上安装的适配器。 模块或适配器使用访问点名称 (APN) 连接到互联网。 您首次连接到使用动态主机配置协议 (DHCP) 获取 IP 地址和默认网关的 APN。 从 APN 断开连接，然后连接到另一个不使用 （例如，设备配置 APN) DHCP 获得 IP 地址和默认网关的 APN。 连接到第二个 APN 之后，您不能访问互联网。 发生此问题是因为 IP 地址和网关，在第一个的 APN 连接由 DHCP 分配错误地保留在第二个 APN 连接。 因为 DHCP 信息 Wmbclass.sys 驱动程序中的处理不正确，将出现此问题。 受支持的修补程序可从 Microsoft 支持。 然而，此修补程序仅用于解决本文中描述的问题。

พิจารณาสถานการณ์สมมติต่อไปนี้: หลังจากที่คุณเชื่อมต่อกับการใช้งาน APN ที่สอง คุณไม่สามารถเข้าถึงอินเทอร์เน็ต.

To assign a user or group Deny permissions to the Usbstor.pnf and Usbstor.inf files, follow these steps: Start Windows Explorer, and then locate the %SystemRoot%\Inf folder. Right-click the Usbstor.pnf file, and then click Properties .