Outlook is not working. KB5074109 This is the cause. Microsoft, do something about it. #Microsoft The hardest hit appear to be users of Outlook Classic who rely on POP email accounts or local PST files, particularly those stored in cloud folders such as OneDrive. For these users, Outlook may hang, show as “Not Responding,” fail to close properly, or repeatedly redownload messages, making the app effectively unusable. Microsoft’s official guidance now recommends either...