Uninstall Office Genuine Advantage Notifications Notifier (KB949810) with OGA Uninstaller

Office Genuine Advantage (OGA) is another initiative by Microsoft to stem the piracy and counterfeit copy of Microsoft Office business producitivity suite and applications. Since April 15, 2008, Office Genuine Advantage (OGA) Notifications was pushed to client computers installed with Microsoft Office XP, Office 2003 or Office 2007 as “Important” or “Needed” update, and is not removable or uninstallable after installed.

After installed, OGA validation component will perform a check on install Office software, and OGA Notifications notifier component will display various “This copy of Microsoft Office is not genuine” message if the Office software is determined as not genuine or not legitimate.

Although officially Microsoft prevents and disallows end-users from removing OGA Notifications (KB949810), there are several workarounds or hacks to remove Office Genuine Advantage Notifications. In fact, as it’s a MSI (Windows Installer) package which installed the OGA, the KB949810 OGA update can be removed and completely uninstalled properly and completely by using MSI uninstall string.

How to Uninstall Office Genuine Advantage Notifications (KB949810)

  1. Open an command prompt window with elevated privileges.
  2. Depending on the version of OGA (Office Genuine Advantage) installed (can be view from properties of %SystemDrive%\Windows\System32\OGAAddin.dll or DEL %SystemDrive%\Windows\System32\OGACheckControl.dll), run following commands below (see Tip below if you only want to run one command):

    MsiExec /X {049F2E8F-D5EC-4133-87FA-8E94837D8D0C} /QN /NORESTART ALLUSERS=1
    MsiExec /X {B148AB4B-C8FA-474B-B981-F2943C5B5BCD} /QN /NORESTART ALLUSERS=1
    MsiExec /X {DB427EF6-F13E-4AA6-9D40-5D962394774F} /QN /NORESTART ALLUSERS=1
    MsiExec /X {B2544A03-10D0-4E5E-BA69-0362FFC20D18} /QN /NORESTART ALLUSERS=1

    Note that the GUID identifier for OGA application may vary from system to system, depending on version and language installed. Generally, it works for OGA v1.7.0102.0, OGA v1.7.0105.35.0 and OGA v1.7.0105.35.0 v2.0.48.0.

    Tip: To determine which is the exact application ID for Office Genuine Advantage installed on your system, run Registry Editor (RegEdit), and navigate to the following registry key:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurentVersion\Uninstall

    There are many registry sub-keys that resembles the product ID above. Go into each and everyone of the registry sub-branches to look for and locate DisplayName REG_SZ value data which matches or similar to Office Genuine Advantage or OGA.

  3. After uninstalling OGA properly, it’s wise to clean up and remove all trace of OGA from the system. Run the following commands to delete all registry entries and system files, if still present:

    REG DELETE HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Word\Addins\OGAAddin.Connect /f
    REG DELETE HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Excel\Addins\OGAAddin.Connect /f
    REG DELETE HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Powerpoint\Addins\OGAAddin.Connect /f
    REG DELETE HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Outlook\Addins\OGAAddin.Connect /f
    DEL %SystemDrive%\Windows\System32\OGAVerify.exe
    DEL %SystemDrive%\Windows\System32\OGAEXEC.exe
    DEL %SystemDrive%\Windows\System32\OGAAddin.dll
    DEL %SystemDrive%\Windows\System32\OGACheckControl.dll

User who want an automated solution to remove Office Genuine Advantage can download the OGA Uninstaller, a batch script that automatically run all of above commands.

Download OGA Uninstaller: RemoveOGA.bat


10 Responses to “Uninstall Office Genuine Advantage Notifications Notifier (KB949810) with OGA Uninstaller”

  1. paul
    November 15th, 2009 06:27
    10

    Jeff,

    You wil need to manually do the steps above because RemoveOGA.bat will not work on vista due to security prompts.

    I did this manually on vista and it worked.

  2. Jeff
    November 9th, 2009 02:33
    9

    None of these worked for me, nor any of the unofficial workarounds. I am using Vista. I literally tried every single one. There is not even an .msi file IN my Downloads folder (as described above).
    ???

  3. renato
    October 31st, 2009 23:49
    8

    GREAT!

  4. Gerald
    October 26th, 2009 08:34
    7

    You are Bookmarked

    4 or 5 Clicks to Fix annoying popup.
    Download RemoveOGA.bat above. 1 click
    Run or save. 1 click
    file it to save it, or not. 1 click
    If saved, double click to run program. 2 clicks
    Problem Solved!

    Thanks Alot

  5. Spider
    October 23rd, 2009 17:53
    6

    Apreciated it works thank you for the help just have delete that both dlls

  6. PEGAJOSOS .ORG » Blog Archive » Eliminar OGA Office Genuine Advantage
    October 22nd, 2009 01:58
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    [...] Enlace: Uninstall Office Genuine Advantage Notifications Notifier (KB949810) with OGA Uninstaller [...]

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    [...] is also an official Windows Installer method of uninstalling OGA, Belt-and-Braces approach submitted by Clayton Joseph, shown [...]

  10. ricktendo64
    October 13th, 2009 01:46
    1

    Its actually much simpler if you have retrieve the .msi from “C:\Windows\SoftwareDistribution\Download”

    Then all you do is right click OGANotifier.msi and select ‘Uninstall’ from the context menu

    You can also unhide it in Add/Rem Programs by deleting the SystemComponent subkey from the uninstall reg entries

    http://img372.imageshack.us/img372/5348/syscomp.png

    Result

    http://img63.imageshack.us/img63/315/addrem.png

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