I had problems installing Microsoft Security Essentials on a few computers where there should have been no challenge. I checked with Google and found the information below. I have inserted the necessary links in text through out this article if anyone wishes to visit them for further information. I Can't Install Microsoft Security Essentials A direct link to this complete article and links on that page is on the next line. http://windows.microsoft.com/en-US/windows/i-cant-install-microsoft-security-essentials *I. Steps to Consider: Step 1: Remove antivirus or antispyware programs Step 2: Ensure that the Windows Installer service is running Step 3: If your computer is running Windows XP SP2, verify that it has the required prerequisites MSE installs better when using Windows-xp with Service Pack Three. Step 4: Make sure you're installing the right version for your operating system Step 5: Start Windows in Selective Startup mode Step 6: Contact customer support *How to Carry Out the Above Steps: You might encounter some issues when installing Microsoft Security Essentials. This is usually because you have some other security program running or because you're missing some prerequisites. To help with these issues, follow the instructions below. You'll need to restart your computer, so please print or emboss this page. Note If you can't install Microsoft Security Essentials because you can't even download it, the first thing to try is your Internet connection (but if you're viewing this page, that's probably fine). You may also want to try downloading from Windows Internet Explorer. *Step 1: Remove antivirus or antispyware programs 1.. Completely uninstall any existing Internet security programs by following the steps in the topic: How do I uninstall antivirus or antispyware programs? Found at the link below. http://windows.microsoft.com/en-US/windows/How-do-I-uninstall-antivirus-or-antispyware-programs 2.. Restart your computer. 3.. Install Microsoft Security Essentials again. If this doesn't resolve the issue, continue to the next step. If you don't have Microsoft Security Essentials yet, visit the link below. http://windows.microsoft.com/en-US/windows/products/security-essentials *Step 2: Ensure that the Windows Installer service is running Through out these directions, when encournting the request to click a right mouse button, pressing the "application key" or "shift plus f10" will do the same from the keyboard. 1.. In Windows 7, press the start button or click Start. In the Search programs and files box, type services.msc, and then press Enter. In Windows Vista, Press the start button or click Start. In the Start Search box, type services.msc, and then press Enter. In Windows XP, Press the start button along with the letter r, or click Start, click Run. Then 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, press enter on exit or click Exit. 4.. In Windows 7, Press the start button or click Start. In the Search programs and files box, type command prompt. Right-click Command Prompt, and then click Run as administrator. In Windows Vista, Press the start button or click Start. In the Start Search box, type command prompt. Right-click Command Prompt, and then click Run as administrator. In Windows XP, Press the start button along with the letter r or click Start, click Run, type cmd, and then press Enter. 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 doesn't 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're running Windows XP and Windows Installer 3.1 isn't installed on your computer, download and install Windows Installer 3.1 from Windows Installer 3.1 v2 (3.1.4000.2435). The link to download this is below. http://support.microsoft.com/kb/893803 2.. If you're running Windows XP SP2, you must download and install Windows XP Service Pack 3 (SP3). If this doesn't resolve the issue, continue to the next step. You can find Wndows-xp Service aPac3 at the link below. http://windows.microsoft.com/en-us/windows/help/learn-how-to-install-windows-xp-service-pack-3-sp3 *Step 4: Make sure you're installing the right version for your operating system 1.. Check which version of Windows you're running. Below is a link to the document "Which version of The Windows Operating System Am I Running." http://windows.microsoft.com/en-US/windows7/help/which-version-of-the-windows-operating-system-am-i-running However, below are some directions one can follow without looking up the article. a. In Windows-XP in classic start menu view, move to the desktop. b. Locate my computer. c. Press the application key or click the right mouse button once the my computer icon is highlighted. d. Press the letter r or click on properties. e. Listen if using a screenreader for your version of windows or read down the screen if able. f. When finished, press escape. In Windows-xp using XP View: a. Press the start button or click on the start menu. b. Locate my computer via pressing the letter m or highlighting it with a mouse. c. Press the application key or click the right mouse button. d. Press the letter r for properties or click on properties. e. Listen for your version of Windows if u sing a screenreader or read down the screen if able. f. When finished, press escape. If using In Windows-7: a. Press the start button or click on the start button. b. Tab once. c. Press the letter c for "computer" or highlight this option. d. Press the application key or right mouse button. e. Press the letter r for properties or click on properties. f. Listen if using a screenreader for your version of Windows, or read down the page if able. g. Press escape when finished getting the needed information. In Windows Vista: a. Press the start button or click on the start button. b. Tab once. c. Press the letter c for "computer" or highlight this option. d. Press the application key or right mouse button. e. Press the letter r for properties or click on properties. f. Listen if using a screenreader for your version of Windows, or read down the page if able. g. Press escape when finished getting the needed information. 2.. Make sure you know whether your PC is running the 32-bit or 64-bit version of Windows. An article called "Is my PC running the 32-bit or 64-bit version of Windows? Can be found at the link below. http://windows.microsoft.com/en-US/windows7/find-out-32-or-64-bit Computers running Windows XP In The XP View: a.. A. Press the start button or Click Start. b.. B. Press the letter m until reaching /"my computer" followed by tappping the application key. If using a mouse, right click the "my computer" icon. c.. C. Press the letter r or click on properties. d.. D. If you see or hear "x64 Edition" is listed under System, you're running the 64-bit version of Windows XP. a.. If you don't see "x64 Edition" listed under System, you're running the 32-bit version of Windows XP. The edition of Windows XP you're running is displayed under System near the top of the window. Computers Running Windows-xp In Classic View: a.. b.. A. Move to the desktop by pressing the start button along with the letter m. c.. B. Press the letter m until highlighting the "my computer"icon. If using a mouse, highlight this icon. d.. C. Tap the application key. If using a mouse, right click the "my computer" icon. e.. d. Press the letter r or click on properties. f.. e. If you see or hear "x64 Edition" is listed under System, you're running the 64-bit version of Windows XP. a.. If you don't see "x64 Edition" listed under System, you're running the 32-bit version of Windows XP. The edition of Windows XP you're running is displayed under System near the top of the window. Computers running Windows Vista or Windows 7 a.. If using a screenreader, Press the start button. Then tab once and hit the letter c until reaching "computer. Then tap the application key followed by pressing the letter r. b.. If using a mouse, Click the Start button , right-click Computer, and then click Properties. c.. If "64-bit Operating System" is listed next to System type, you're running the 64-bit version of Windows Vista or Windows 7. d.. If "32-bit Operating System" is listed next to System type, you're running the 32-bit version of Windows Vista or Windows 7. The edition of Windows Vista or Windows 7 you're running is displayed under Windows edition near the top of the window. 3.. Make sure you download the version of Microsoft Security Essentials that goes with your operating system. You can find various versions at the link below. http://windows.microsoft.com/en-US/windows/products/security-essentials/download Note: Windows 8 currently isn't supported. You can visit the the system requirements page page to check what systems MSE will run on found below. http://windows.microsoft.com/en-US/windows/products/security-essentials/product-information?t1=sysreq *Step 5: Start Windows in Selective Startup mode 1.. In Windows 7, go to the start menu. In the Search programs and files box, type msconfig, and then press Enter. In Windows Vista, go to the start menu. In the Start Search box, type msconfig, and then press Enter. In Windows XP, go to the start menu. Press the letter r or click Run, type msconfig, and then press Enter. 2.. On the General tab, Arrow down to 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 6: Contact customer support a.. If the steps did not resolve the issue, contact support. For more information, see Customer support found at: https://support.microsoftsecurityessentials.com/?scrx=1 *Error messages for your reference Sometimes installations fail for an unknown reason. Other times, 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, 0x8004FF6F, or 0x8007007E. The steps above should help with all of these. And they'll also help if your computer is running Windows XP Service Pack 2 (SP2). In that case, you'll see one or more of the following error messages: a.. Installation Wizard is missing a filter manager rollup package needed to complete the installation. b.. KB914882 Setup Error, Setup can't update your Windows XP files because the language installed on your system is different from the update language. See step 3 for help with these issues. Dan Thompson dthompson5@xxxxxxxxx this message has been scanned with microsoft security essentials -------------------------------------------------------------------------------- _______________________________________________ Danstips mailing list Danstips@xxxxxxxxxxxxxxx http://jacobsexton.com/mailman/listinfo/danstips_jacobsexton.com Robert Acosta, President Helping Hands for the Blind Email: boacosta@xxxxxxxxxxx Web Site: www.helpinghands4theblind.org You can assist Helping Hands for the Blind by donating your used computers to us. If you have a blind friend in need of a computer, please mail us at the above address.