This topic contains solutions for issues you may encounter while installing Microsoft Security Essentials.

Symptoms

Installation fails for an unknown reason, or you receive an error message with error code, such as 0x80070643, 0X8007064A, 0x8004FF2E, 0x8004FF01, 0x8004FF07, 0x80070002, 0x8007064C, 0x8004FF00, 0x80070001, 0x80070656, 0x8004FF40, 0xC0000156, 0x8004FF41 0x8004FF0B, 0x8004FF11, 0x80240022, 0x8004FF04, 0x80070660, 0x800106B5, 0x80070715, 0x80070005, 0x8004EE00, 0x8007003, 0x800B0100, 0x8007064E, or 0x8007007E.

If your computer is running Windows XP Service Pack 2 (SP2), you will see one or more of the following error messages:

  • Installation Wizard is missing a filter manager rollup package needed to complete the installation.

  • KB914882 Setup Error, Setup cannot update your Windows XP files because the language installed on your system is different from the update language.

Cause

Microsoft Security Essentials cannot be installed on a computer that is running other security programs. Sometimes, even if you remove other security programs, they do not completely uninstall. You must be running a genuine version of the Windows operating system to install Security Essentials.

If your computer is running Windows XP SP2, you might be missing one or more of the following prerequisites for installing Security Essentials:

  • Windows Installer 3.1

  • Forefront Client Security Filter Manager QFE for Windows XP/SP2

Solution

Important:
You will need to restart your computer while resolving this issue. Bookmark this page (mark it as a Favorite) to make it easier to find this topic again or print it for easy reference.

Step 1: Remove any existing security programs

  1. Completely uninstall any existing Internet security programs by following the steps in the topic: How do I uninstall antivirus or antispyware programs?

  2. Restart your computer.

  3. Install Microsoft Security Essentials again. If this does not resolve the issue, continue to the next step.

Step 2: Ensure that the Windows Installer service is running

  1. In Windows XP, click Start, click Run, type services.msc, and then press Enter.

    –or–

    In Windows Vista, click Start. In the Start Search box, type services.msc, and then press Enter.

    –or–

    In Windows 7, click Start. In the Search programs and files box, type services.msc, and then press Enter.

  2. Right-click Windows Installer, and then click Start. If Start is unavailable and the Stop and Restart options are available, this tells you that the service is already started.

  3. On the Services page, on the File menu, click Exit.

  4. In Windows XP, click Start, click Run, type cmd, and then press Enter.

    –or–

    In Windows Vista, click Start. In the Start Search box, type command prompt. Right-click Command Prompt, and then click Run as administrator.

    –or–

    In Windows 7, click Start. In the Search programs and files box, type command prompt. Right-click Command Prompt, and then click Run as administrator.

  5. Type MSIEXEC /REGSERVER, and then press Enter.

    Note:
    There is no indication that this command has succeeded or failed.

  6. Install Microsoft Security Essentials again. If this does not resolve the issue, continue to the next step.

Step 3: If your computer is running Windows XP SP2, verify that it has the required prerequisites

  1. If you are running Windows XP and Windows Installer 3.1 is not installed on your computer, download and install Windows Installer 3.1 from Windows Installer 3.1 v2 (3.1.4000.2435) is available (http://go.microsoft.com/fwlink/?LinkId=110600).

  2. Download and install the required hotfix for client computers running Windows XP SP2:

    1. Go to Forefront Client Security Filter Manager QFE for Windows XP/SP2 (http://www.microsoft.com/downloads/details.aspx?FamilyID=B18A6BA9-AF43-4B0A-BABD-1E60A2D5E08A&displaylang=en&displaylang=en).

    2. On the Web page, click the link for the download package that is the same language as the version of Windows XP running on the client computer.

    3. Follow the instructions to download and install the hotfix package.

    4. Restart your computer.

    5. Install Microsoft Security Essentials. If this does not resolve the issue, continue to the next step.

Step 4: Start Windows in Selective Startup mode

  1. In Windows XP, click Start, click Run, type msconfig, and then press Enter.

    –or–

    In Windows Vista, click Start. In the Start Search box, type msconfig, and then press Enter.

    –or–

    In Windows 7, click Start. In the Search programs and files box, type msconfig, and then press Enter.

  2. On the General tab, click Selective Startup, and then clear the Load Startup Items check box.

  3. On the Services tab, select the Hide All Microsoft Services check box, and then clear all the check boxes for the services that remain in the list.

  4. Click OK, and then click Restart to restart the computer.

  5. Try to install Microsoft Security Essentials again.

Step 5: Contact Customer Support

  • If the steps did not resolve the issue, contact support. For more information, see Customer Support (http://go.microsoft.com/fwlink/?LinkID=196174).

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