A new Rollup Update has been released for Outlook 2010 which fixes the Safe Mode issues that was caused by the first December update KB3114409.
This is essentially the same update as the second December update KB3114560 but that one wasn’t made available via Windows Update and WSUS.
View: Download information for KB3114570
Note: This update can be installed via Microsoft Update and updates Outlook to version 14.0.7165.5000.
