Outlook 2010 Issues: KB3114409

After applying December update KB3114409 for Outlook 2010, Outlook 2010 may only start in Safe Mode. Microsoft is aware of this issue and has pulled the update as a result.

Symptoms you may encounter are;

• Outlook 2010 is loaded with the default settings.
• Reading Pane is turned off.
• Modified settings aren’t being retained upon restarting Outlook.
• Add-ins are disabled.
• The Quick Access Toolbar and Ribbon have been reset and can’t be customized.
• Instant Search doesn’t work.

If you are affected by this, you can safely uninstall update KB3114409 from your computer as is doesn’t contain any security updates. After uninstalling it, restart your computer and Outlook 2010 will start normally again with your own settings. As the update has been removed from Windows Update, it will not automatically re-install.

Step-by-step guide

1. Open Installed Updates by clicking the Start button , clicking Control Panel, clicking Programs, and then, under Programs and Features, clicking View installed updates.

2. Search for KB3114409, right-click on the update, and then click Uninstall. 

3. Restart your computer after uninstalled if not prompted automatically. Administrator privileges are required, so anyone without it will have to contact us to uninstall it.

4. Once you restart your computer, verify that Outlook is functioning properly again.

If you need assistance with this process, please contact the ITS4U Help Desk 

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For further assistance, please visit the ITS Help Desk located in NYS 230 or call 203-254-4069 during business hours.

Hours can be found here: ITS Help Desk Hours of Operation