You see this warning pop up from the Windows Security Center:
Why did this happen?
- Trend Micro is installing an update.
- Trend Micro program installation or upgrade is in progress.
- Trend Micro program may have turned OFF manually.
What should I do next?
Your Trend Micro program will automatically turn ON after applying program update and the warning message should disappear.
If it was accidentally turned OFF, turn ON the Trend Micro program manually.