If the file is an official patch, download it from the download center.
If the file is a hotfix, send a request to Trend Micro support.
The Hotfixes / Patches screen appears.
Some updates cannot be rolled back once installed.
Do not close or refresh the browser, navigate to another page, perform tasks on the management console, or power off the appliance until updating is complete.
Deep Discovery Director installs the update and will automatically restart if it is required to complete the update.