A notification will indicate if a problematic add-in or extension was found. An Automated Safe Mode occurs during startup of the program. The first is called Automated, the second User-initiated. There are two types of Safe Modes in Outlook. The following window will appear, where you can permanently disable all the add-ons and/or reset the toolbars, or just continue in Safe Mode to diagnose issues with the temporary changes listed above. Open the “Run” dialog box with “Windows Key + R.” Enter “thunderbird –safe-mode” to launch Thunderbird in Safe Mode.
