1. #1
    Unregistered

    "Error: 0xc80003f3" while installing Microsoft Security Essentials update on Windows 7.

    Am unable to install the update for Microsoft Security Essentials, whenever I starting installing the update though it starts normally but later on it reports an Error code: 0xc80003f3 and terminates the installation. No way I can avoid this error and continue in installing the update, please assist me with a solution.



  2. #2
    kumar12337 Array
    Join Date
    Sep 2012
    Location
    hyd
    Posts
    1,989

    Re: "Error: 0xc80003f3" while installing Microsoft Security Essentials update on Windows 7.

    Hi dear friend...........to resolve the issue follow the below instructions

    first press windows key+R and type Notepad and press ENTER key

    now type the below as the same

    regsvr32 MSXML3.dll /s
    net stop wuauserv
    cd /d %windir%\SoftwareDistribution
    rd /s /q DataStore
    net start wuauserv
    regsvr32 softpub.dll
    regsvr32 mssip32.dll

    now click the File menu and choose Save as .... and save the file with the name as ealp.bat

    then run this batch file from the command prompt( admin ) only

    after that press windows key+R and type services.msc and click OK .... now find windows update and right click on it..... and choose STOP

    after that press windows key+E combination ... and open the windows folder ...and find SoftwareDistribution folder and rename it as SoftwareDistribution.old

    now again go to the services .....and find windows update .... make it as START

    after that your problem will be resolved

    ALL THE BEST!!!!!!!!!!!!!!

  3. #3
    sivaditya Array
    Join Date
    Mar 2013
    Location
    Guntur
    Posts
    324

    Re: "Error: 0xc80003f3" while installing Microsoft Security Essentials update on Windows 7.

    this error means registry key could not be opened, or out of memory.
    to solve this page click the below link, when you click it, you are asked to save a file. save it and run it as administrator.

    once it is over. just restart your system, and update security essentials... this will work for sure... because the link will download an automatic fixit software which will sove your problem..

    http://go.microsoft.com/fwlink/?linkid=260622

    happy to assist you

  4. #4
    csmoon96 Array
    Join Date
    Apr 2013
    Posts
    28

    Re: "Error: 0xc80003f3" while installing Microsoft Security Essentials update on Windows 7.

    .:: Please Follow these steps ::.


    0xC80003F3 OutOfMemory


    The computer is out of memory.



    1. Comodo v3.0.15.277 fixes "the bug causing Windows Updates to fail in Windows Vista."


    http://www.personalfirewall.comodo.com/release_notes.html


    Download v3.0.25.378 from


    http://www.personalfirewall.comodo.c..._firewall.html


    2. Or, if I-Defense is Enabled, see if Disabling it resolves the issue.


    3. Or, Disable the Commodo firewall. Enable the native Vista firewall. Reboot.


    Did any of the above resolve the updating issue ?

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