Learn about the terminology that Microsoft uses to describe software updates.I've opened a ticket about this but want to hear from any other Windows 11 based DAW users who may have ran into the same issue. Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.įor all supported x86-based versions of Windows 8.1įor all supported 圆4-based versions of Windows 8.1Īdditional file information for Windows 8.1Īdditional files for all supported x86-based versions of Windows 8.1 MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8.1" section. The files that apply to a specific product, milestone (RTM, SP n), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1" on the page. However, only "Windows 8.1" is listed on the Hotfix Request page. Windows 8.1 file information and notesImportant Windows 8.1 and Windows Server 2012 R2 hotfixes are included in the same packages. Additionally, the dates and the times may change when you perform certain operations on the files. The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. This hotfix does not replace any previously released hotfix. You do not have to restart the computer after you apply this hotfix. To apply this update, you must first have update 2919355 installed in Windows 8.1. Value Data: Any nonzero value Prerequisites Note The xxxx placeholders indicate values that are related to a specific camera device. Registry location: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Enum\USB\VID_xxxx&PID_xxxx\instance-id\Device Parameters Therefore, any modern applications that use the typical Windows Runtime MediaCapture API are no longer able to see that specific device. If the registry key is set for a nonzero value for a specific non-video AVStream device, that device will not be exposed as a video camera to the AVStream API. This update lets a registry key change the behavior of the Usbvideo.sys driver against certain USB camera devices. If you do not see your language, it is because an update is not available for that language. The "Hotfix download available" form displays the languages for which the update is available. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, go to the following Microsoft website: The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix. If the update is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. This update lets OEMs prevent specific non-video AVStream devices from being exposed and used as cameras by modern applications on Windows 8.1 devices.Ī supported update is available from Microsoft Support.
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