Microsoft Download Center Archive

Update for DRM-enabled Media Players (KB891122)

  • Published:
  • Version: 891122
  • Category: Update
  • Language: English

This package improves the functionality and robustness of the Windows Media DRM platform. A reboot may be required.

  • These updates improve the robustness of the Windows Media DRM platform and add additional integrity checks to the DRM system, via the installation of two components on end users' computers. License issuers can verify that each user's computer has been updated before issuing or renewing licenses.
    This installation package applies to all supported languages for Windows 2000 Service Pack 3 and Windows 2000 Service Pack 4.
Knowledge Base Articles:


Status: Deleted

This download is no longer available on The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020.

FileSHA1 HashSize
WindowsMedia-KB891122-x86-ENU.exec1b14007407ee75d546dfd820af4f52eaf5e18f95.90 MB

System Requirements

Operating Systems: Windows XP

Installation Instructions

    1. Click the Download button on this page to start the download, or choose a different language from the drop-down list and click Go.
    2. Do one of the following:
      • To start the installation immediately, click Open or Run this program from its current location.
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