To uninstall bad Windows Update:
Open Control Panel --> Programs and Features -->View Installed Updates (left side of the window) -->Search for KB2097877 (top right search box on the window) --> Right-click --> Uninstall
Reboot the computer...
Updated info on the subject:
Update: If your Outlook stuck on splash screen and refuses to open try to run Outlook /safe command (add-ins disabled) from start menu and check if any add-in responsible for preventing your Outlook from opening correctly. You may want to disable the most obvious ones first (FaceBook, Twitter, LinkedIn, etc.). Here is more information on this procedure: https://www.msoutlook.info/question/88