Trend Micro has released the OfficeScan critical patches for OfficeScan XG SP1 / XG / 11 SP1 which includes the official Windows 10 April 2018 Update support. The critical patches are now available in the Download Center.
Once you download the critical patch, just click Next to prompt the automatic installation.
Trend Micro strongly recommends applying the critical patch for Windows 10 April 2018 Update compatibility to take advantage of the new features and functionality.
For support assistance, contact Trend Micro Technical Support