Monday, March 01, 2010

Herding unruly Outlook 2007 Add-Ins: Yammer

Had the bad idea to install the Yammer plugin for Outlook 2007 today (I am running Windows 7 Enterprise, 64-bit edition). To cut the story short, the add-in crashed Outlook when trying to authorize. After learning, that there is no solution at hand, removal seemed like the best option.

Unfortunately the plugin did not like being removed (not even disabled) as those actions also shot Outlook down. This time so fast, that Windows has not even produced a 'program in trouble' dialog.

After a few google queries and a little bit of searching in the registries it's gone. The necessary steps were:

  1. To prevent the add-in from loading, change the following key using registry editor (backup is always a good idea):
    • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Outlook\Addins
    • set value LoadBehavior to 0
  2. To remove the add-in permanently, restart Outlook and go to Tools > Trust Center  > Add-Ins. Click on go at the bottom of the dialog, then select the add-in and click Remove and Ok.
What a piece of untested software ...

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Blogger Alex said...

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