You can fix your issue by applying the solutions down below. In such a scenario, you will have to repair your installation. A corrupt installation of Microsoft Office can also contribute to the said problem. According to some users, the issue came into being after they upgraded their system to Windows 10 while for some, updating Windows 10 happened to be the cause. In such a case, you will have to remove the add-ins. In some cases, the add-ins can be the culprit which is causing the application to not start up.