1. Open TrendMicro Internet Security 2. Click on the Home Network & Firewall Controls button on the left 3. Click the button below the Personal Firewall heading. 4. If you now see then the firewall is off.
Quick way:
1. Right click on the TrendMicro icon next to the clock on the start bar 2. Click on Exit 3. Click Yes to confirm you want to shut it off
Longer way:
1. Open TrendMicro Internet Security 2. Click on the Virus & Spyware Controls button on the left