Trend Micro Titanium shows error

Hello,
I wanted to install Trend Micro Titanium Maximum Security 2012 so I downloaded the setup but got an error as shown in the image below that I copied on paint program. Any suggestions?
Installation incomplete
A problem prevented the installer from completely setting up Trend Micro Titanium Maximum Security 2012. No changes have been made to your computer.
Please close any other programs currently open before restarting the installer.
If following this advice does not solve the problem, you can also get more information online.
