To remove TMTDI driver from client:

1. Unload the OfficeScan client to modify the registry entries.
2. Edit registry on the client computer.
    

   Always back up the whole registry before making any modifications. Incorrect changes to the registry can cause serious system problems.
   1. Prevent automatic recreation of the TMTDI driver registry key by changing the following registry key value from "0" to "1".

      HKLM\SOFTWARE\Wow6432Node\TrendMicro\PC-cillinNTCorp\CurrentVersion\Misc\RmvTmTDI=1

   2. Remove the registry hive below:

      HKLM\SYSTEM\CurrentControlSet\services\tmtdi

3. On the client computer, open the %programfiles(x86)\trend micro\officescan client\ofcscan.ini file.

4. Change the value of the following key from "0" to "1":

   RmvTmTDI=1

5. Save the edited ofcscan.ini file.
6. Restart the computer.
   After the reboot, the TMTDI driver will no longer be active.
7. Execute the following query service command to ensure the TMTDI driver is not running:

   C:\Users\gleng>sc query tmtdi