Outlook 2010 Opens in Safemode

Description

After you install the update number KB3114409, Outlook 2010 may start only in safe mode. If this issue occurs, uninstall the update. This update is no longer available now.

Resolution

How to uninstall this update

Windows 10
Go to Start, enter View Installed Updates in the Search Windows box, and then press Enter.
In the list of updates, locate and then select update KB3114409, and then select Uninstall.

Windows 8 and Windows 8.1
Swipe in from the right edge of the screen, and then select Search. If you’re using a mouse, point to the lower-right corner of the screen, and then select Search.
Enter windows update, select Windows Update, and then select Installed Updates.
In the list of updates, locate and then select update KB3114409, and then select Uninstall.

Windows 7, Windows Vista and Windows XP
Go to Start, enter Run, and then select Run.
Enter Appwiz.cpl, and then select OK.
Use one of the following procedures, depending on the operating system that you’re running.

Windows 7 and Windows Vista
Select View installed updates.
In the list of updates, locate and select update KB3114409, and then select Uninstall.

Windows XP
Select the Show updates check box.
In the list of updates, locate and select update KB3114409, and then select Remove.

Notes

https://support.microsoft.com/en-us/kb/3114409