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Last night I upgraded to Office 2010 RTM from MSDN.

I'm now trying to uninstall the Office Live Add-in that I used with Office 2007 as this functionality is built in to Office 2010.

When I run the uninstall from control panel I get the following message:

Microsoft Office Live Add-in cannot be installed because you do not have the right version of Microsoft Office installed on your computer

Google has pointed to 2 solutions, both of which are pretty useless:

  1. Use the MS Windows Installer Cleanup - this is not good because all it does is remove the Installer entry from the registry, leaving all the installed files behind

  2. Uninstall Office 2010, uninstall Add-in, reinstall Office 2010 - that is just ridiculous, but typical MS response

So, can I get this off my system without resorting to option 2?

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up vote 1 down vote accepted

Sorted it! Orca was the answer.

I used Process Monitor filtering on msiexec.exe for Process Name and msi for Path

enter image description here

This showed the correct .msi file to be c:\windows\installer\b2cbf2.msi (YMMV)

I opened this in Orca, searched for the error message and dropped each row which referred to it.

I save the file back to c:\windows\installer (Important! I tried it from desktop at first and it still accessed the one in c:\windows\installer, probably some GUID causing this).

This ran fine and the Add-in is now uninstalled!

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Honestly, #2 is probably your best bet. The problem is that the uninstallers no longer see Office 2007 and are throwing the error.

I agree that it is completely ridiculous that you'd have to do this, but it is honestly probably your best bet.

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The following worked for me:

  1. Use the registry editor to rename

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\14.0 (on a 32bit OS) or HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\14.0 (on a 64bit OS)


    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\hide_14.0 (on a 32bit OS) or HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\hide_14.0 (on a 64bit OS)

    (the "hide_" can be any other text)

  2. Run the uninstaller

  3. Rename "hide_14.0" back to "14.0"

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