Windows Application Compatibility Toolkit Fix for Windows XP

    The luapkg.exe file provides missing support for ACT tools in Windows XP.
    • Version:


      File Name:


      Date Published:


      File Size:

      491 KB

        The luapkg.exe file provides necessary support files for Windows Application Verifier and Compatibility Administrator that are missing in Windows XP. These files are included in Service Pack 1 for Windows XP. If you have installed Service Pack 1 for Windows XP you do not need to install luapkg.exe.

        The luapkg.exe file contains files that were formally distributed in the ACTPKG.EXE file in the Application Compatibility Toolkit.
    • Supported Operating System

      Windows XP

        • Windows Application Compatibility Toolkit
      • Important: Download the file to a folder on the local computer or an accessible network folder. Double click the luapkg.exe file to install the fix.

        1. Click the Download link to start the download.
        2. Do one of the following:
          • To start the installation immediately, click Open or Run this program from its current location.
          • To copy the download to your computer for installation at a later time, click Save or Save this program to disk.
      • luapkg.exe needs to be installed on every Windows XP client computer before attempting to install any compatibility fixes using LUA compatiblility mode. This update package is not required with Windows XP Service Pack1 or later or for Windows Server 2003.

    Popular downloads

    Loading your results, please wait...

    Free PC updates

    • Security patches
    • Software updates
    • Service packs
    • Hardware drivers

    Microsoft Suggests

    Sign up for OneDrive and get 15 GB of free online storage.
    OneDrive now comes with 15 GB of free online storage
    Get more space for all your photos, videos, and documents.
    Sign up now