I tried to access the link you provided, but it seems like the link is not accessible at the moment. Could you please provide more details or context about the issue you are facing with MS Project 2013? If you are encountering an unexpected error when trying to open a file in MS Project 2013, here are some general troubleshooting steps you can try: 1. Check File Compatibility: Ensure that the file you are trying to open is compatible with MS Project 2013. If it was created in a newer version, try opening it in that version first to save it in a compatible format. 2. Open in Safe Mode: Try opening MS Project in Safe Mode and then opening the file. This can help rule out any issues related to add-ins or custom settings. 3...