![]() ![]() Redistribute the relevant MSU package (for example umdf-1.11-Win-6.0.msu) along with a setup application that calls it. If your driver will be distributed via Windows Update, you must choose this option. When the operating system installs your driver, it runs the co-installer. Reference the update co-installer in your INF file, and include the update co-installer in your driver installation package. ![]() If you are writing a UMDF 1.11 driver that targets operating systems prior to Windows 8.1, you must ensure that version 1.11 of the framework is installed on machines that use your driver. Because the configuration co-installer is included in the operating system, you do not need to redistribute it. If you are writing a UMDF 2.0 driver for Windows 8.1, your INF file must reference the configuration co-installer. Referencing Co-installers from your INF File The configuration co-installer processes the UMDF-specific sections of the driver's INF file and makes any necessary updates to the registry. The operating system includes another co-installer, called the configuration co-installer, or WudfCoinstaller.dll. For example, if the computer has UMDF version 1.9 and the co-installer contains version 1.11, the co-installer updates the computer's framework version to 1.11. The update co-installer updates the UMDF framework version that is on the computer. In Windows 8.1, the Microsoft-supplied redistributable framework updates are included as part of the Windows Driver Kit (WDK).įor a complete list of the contents of the co-installer directory, see Installation Components for KMDF Drivers.Īmong other components, the co-installer directory contains an update co-installer, called WUDFUpdate_ MMmmm.dll, where MM is the major version number, and mmm is the minor version number. This topic describes the two UMDF co-installers and when you need to include one with your driver installation package or reference a co-installer in your INF file. HKR,CoInstallers32,0x00010000,WudfCoinstaller.dllĪ co-installer updates the framework version stored on the machine and processes framework-specific INF file sections. You may still need to reference the system-supplied coinstaller as below: In the INF Manufacturer Section, specify 10.0 as target OS version, as follows:.This is equivalent to adding the following to the. In Visual Studio, in the Project Settings property page, under Driver Settings -> Target OS Version, select Windows 10 or higher.If your driver only targets Windows 10, you do not need to redistribute WDF or provide a Coinstaller in your driver package.
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