To help me narrow down a more specific fix for you, could you tell me: version of Office (e.g., Office 365, 2021) and are you using? Does this happen with every file , or only ones saved on a cloud drive like OneDrive or SharePoint? Did this start happening right after a Windows update
This error typically indicates that the add-in has encountered an unexpected condition—an "exception"—that it cannot recover from without restarting or repairing. Below, we break down the common causes and provide step-by-step solutions to resolve the issue. winzip express for office has fired an exception