Microsoft rolled out its normal fare of first-Tuesday Office updates this week. However, one of those updates, KB4462238, causes problems.
After this update is installed, clicking a hyperlink in an Office application, such as Word, PowerPoint, Excel, or Outlook, may cause the application to stop working.
Microsoft recommends uninstalling the update if the problem is experienced. Knowing Microsoft’s update history the way we do here at myITforum, we recommend just uninstalling it and waiting for a proper fix. Well, in reality, we always recommend waiting a few days after an update is publicly available to hear about the fallout before deciding to move forward.