1. finding file Ofcscan.ini
2. open Ofcscan.ini finding the word Uninstall_Pwd= and comment the line and you by put # sign infront of the line.
3. create other Uninstall_Pwd= with new line and put number 70 ( Uninstall_Pwd==70).
4. back to password box and type number 1 in password box.
I hope this trick can help you to remove Trend Micro Office Scan Client from your PC.
Cheer!!