Hi,
Let me ask you a question.
• When do you get this error?
You can follow the steps given here to uninstall trend micro titanium antivirus from your computer.
Method 1: Uninstall the program from program and features.
Follow the steps given here.
a) Press the Windows key and X key together.
b) Select Control Panel.
c) Select Programs.
d) Select Uninstall a Program under Program and features.
e) You will get a list of programs installed, search for trend micro titanium antivirusand make a right click.
f) Select Uninstall.
g) You will get a warning message which says “Are you sure you want to uninstall trend micro titanium antivirus?” Click on Yes.
h) Reboot the computer.
Method 2:
Download the uninstaller from the link given below and run it.
http://esupport.trendmicro.com/solution/en-us/1056551.aspx
Warning: Security software can help protect your computer against viruses and other security threats. In most cases, you shouldn't disable your antivirus software. If you have to temporarily disable it to install other software, you should re-enable it as soon as you're done. If you're connected to the Internet or a network while your antivirus software is disabled, your computer is vulnerable to attacks.
For further assistance you can contact the Trend Micro support forum.
http://esupport.trendmicro.com/en-us/home/pages/discussion-forums.aspx
Method 3:
Run the uninstall fix it from the link given here.
http://support.microsoft.com/mats/Program_Install_and_Uninstall
Write to us if you have any other issue. We will assist you further.