From here you can see all add-ins that load when Outlook is opened in normal mode. Furthermore, the reading pane and any toolbar customization will be disabled.
Outlook will then launch with all add-ins disabled. You will receive a prompt asking whether you want to open Outlook in safe mode. To do this, hold the CTRL-key on your keyboard while clicking the Outlook icon. To determine if this is the root cause open outlook in Safe Mode. One possibility–and always the first thing to check–is that an Outlook add-in could be causing the error. The possible causes we cover in this article include: This error could occur for a number of different reasons. Windows will close the program and notify you if a solution is available. When launching Outlook you may receive the following error.Ī problem caused the program to stop working correctly.