Uninstalling Trend Micro Security and older programs for Windows using the Diagnostic Toolkit

This article will help you uninstall previous versions of the Trend Micro program for Windows using the Diagnostic Toolkit.

We recommend that you print out this document or bookmark this page before proceeding because you will be asked to restart your computer during the procedure.

Uninstall Using Trend Micro Diagnostic Toolkit
To uninstall Trend Micro Security using the Diagnostic Toolkit, do the following:
  1. Open the Trend Micro Diagnostic Toolkit. Do the following depending on your Operating System:
    For Windows 10:
    1. Click Start > All Apps > Trend Micro Security > Trend Micro Diagnostic Toolkit.
    For Windows 8/8.1:
    1. On your keyboard, press the Windows Windows Key + C to open Charms bar.
    2. Click Search.
    3. On the Search box, type "Trend".
    4. Click Trend Micro Diagnostic Toolkit.
    For Windows 7/Vista:
    1. Go to Start > All Programs Trend Micro Titanium (version) > More Tools and Help.
    2. Click Trend Micro Diagnostic Toolkit.

    Note: If you cannot find Trend Micro Diagnostic Toolkit, follow the instructions under Having Problems Removing Trend Micro? to download and run the tool.
  2. Click Yes when the User Account Control window appears.
    User Account Control
  3. Click the (C) Uninstall tab.
    Uninstall tab
  4. Click 1. Uninstall Software.
    Uninstall Software

    Note: You may disregard the Windows notification saying to use the Control Panel to remove the program, since the Trend Micro Diagnostic Toolkit will remove all Trend Micro related files from your computer which the Control Panel might have missed.
  5. Click Yes when asked to confirm the uninstallation.
    Confirm the uninstallation
  6. Copy your serial number.
  7. Tick I copied my serial number, then click Uninstall.
    Copied the serial number
  8. Click Yes when asked to restart your computer.

Note: To uninstall your Trend Micro security on your Mac computer, refer to this Knowledge Base article: Uninstalling Antivirus for Mac

Older programs (2010 version and below)
To uninstall Trend Micro Security using the Diagnostic Toolkit for older versions, do the following
  1. Download the Diagnostic toolkit depending on your Windows version:
  2. When the File Download window appears, click Run.
    After the download finishes, the Trend Micro Diagnostic Toolkit window will appear.
  3. Click the Uninstall tab, then click 1. Uninstall software.
    Click Uninstall

    The Toolkit will automatically detect the Trend Micro program that is currently installed.
    Note: You may disregard the Windows notification saying to use the Control Panel to remove the program, since the Trend Micro Diagnostic Toolkit will remove all Trend Micro related files from your computer which the Control Panel might have missed.

  4. Click Uninstall.
    Uninstall program

    After the program finishes uninstalling, you will then be asked to restart your computer.
  5. Click Yes.
    Restart your computer

Having problems removing Trend Micro?
If issues are encountered during the uninstallation of the Trend Micro program, follow the steps below:

OPTION 1: Run the Uninstall Tool

Run the Uninstall Tool to remove the remnants of your previous installation:
  1. Download the Uninstall Tool by clicking the download button below:
  2. Double-click Ti_110_win_en_Tool_UninstallTool_hfb0001.exe to run it.
    Click Yes when the User Account Control Window appears.
  3. Read the License Agreement, click I accept the terms of the license agreement, then click Next.
  4. Click Install.
  5. Click Uninstall Software.
  6. Enter the captcha characters and click Continue.
  7. Click Uninstall.
  8. Click Yes when prompted to restart your computer.

OPTION 2: Run the Remnant File Removal Tool

Follow the instructions below to run this hotfix:
  1. Click the button below to download the hotfix:
  2. Double-click Ti_110_win_en_Tool_TMRemnantFileRemoveTool_hfb0001.exe to run it.
  3. Click I agree on the terms of the license agreement, then click Next.
  4. Click Install.
  5. Click OK.
  6. Restart your computer.
Video Tutorial

Applies To: Antivirus+ Security - 2015;Antivirus+ Security - 2016;Antivirus+ Security - 2017;Internet Security - 2015;Internet Security - 2016;Internet Security - 2017;Maximum Security - 2015;Maximum Security - 2016;Maximum Security - 2017;Premium Security - 2015;Premium Security - 2016;Premium Security - 2017;Titanium AntiVirus + - All;Titanium Internet Security - All;Titanium Maximum Security - All;Titanium Premium Security - All;

Last Updated: Dec. 16, 2016 12:47 AM (PST)
Solution ID: 1105809