When you do this, users cannot install a USB storage device on the computer. 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.

Fixes an issue in which a USB storage device periodically disappears or Windows Explorer stops responding when you access the files on the USB storage device in Windows 8.1 and in Windows Server 2012 R2.

When you do this, users cannot install a USB storage device on the computer. 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.

Usbstor.pnf 및 Usbstor.inf 파일에 대한 거부 권한을 사용자 또는 그룹에 할당하려면 다음 단계를 수행하십시오. Windows 탐색기를 시작한 다음 %SystemRoot%\Inf 폴더를 찾습니다. Usbstor.pnf 파일을 마우스 오른쪽 단추로 클릭하고 속성 을 클릭합니다. 보안 탭을 클릭합니다. 그룹 또는 사용자 이름 목록에서 거부 권한을 설정할 사용자 또는 그룹을 추가합니다. 사용자 이름 또는 그룹의 권한 목록에서 모든 권한 옆의 거부 확인란을 선택합니다. 참고 또한 거부 목록에 System 계정을 추가합니다. 그룹 또는 사용자 이름 목록에서 SYSTEM 계정을 선택합니다.

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).

Fixes an issue in which USB devices do not enter the selective suspend state on the connected standby system draining battery. This issue occurs in Windows 8.1 or Windows Server 2012 R2.

解決方法. ユーザが USB 記憶装置を使用できないようにするには、状況に合わせて以下の手順を実行します。 コンピュータに USB 記憶装置がインストールされていない場合は、以下のファイルに対するユーザーまたはグループ及びローカル SYSTEM アカウントのアクセス許可 拒否 を設定します。 %SystemRoot%\Inf\Usbstor.pnf. %SystemRoot%\Inf\Usbstor.inf. この操作を実行すると、ユーザーがコンピュータに USB 記憶装置をインストールできなくなります。 Usbstor.pnf ファイルおよび Usbstor.inf ファイルに対するユーザーまたはグループのアクセス許可に拒否を設定するには、以下の手順を実行します。

Symptom 1. Consider the following scenario: You have a computer that is running Windows RT 8.1, Windows 8.1, or Windows Server 2012 R2. The value of the SelectiveSuspendEnabled registry entry under the following registry key is 1: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\USB\<USB Vid and Pid>\<device>\Device Parameters.

Summary. This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker with physical access inserts a specially crafted USB device into the system. To learn more about the vulnerability, see Microsoft Security Bulletin MS16-033.

Select the Start button, then type device manager and select Device Manager from the list of results. In Device Manager, find the device. It should be marked with a yellow exclamation point symbol. Choose the device, press and hold (or right-click) it, and then select Properties. The error code is displayed under Device status. Slow charger.