Trend Micro Security does not start or turn on

This article shows you what to do when your Trend Micro Security does not start or if it keeps shutting down.​

The following also occurs:

  • There is no Trend Micro  icon on your system tray.
  • The Windows Security Center is not detecting Trend Micro Security.
  • The system tray icon status is "Starting your protection".
  • The program automatically or manually restarts with every update when you click About or About your software.
  • The console randomly shuts down every 5 to 10 minutes.
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.
To resolve this issue, do any of the following:
To remove conflicting software, do the following:
  1. On your keyboard, press the Windows Windows Key+ R keys.
  2. In the Open field, type "appwiz.cpl", then press ENTER. The Programs and Features window will open.
  3. Select the program you wish to remove, then click Remove or Uninstall.
  4. Wait for the program to be uninstalled, then restart your computer.
    If you encounter any problems with the uninstallation process, contact the software manufacturer's support team.
For the full list of programs to remove, refer to this Knowledge Base article: Programs to remove before installing Trend Micro Security.
To restart all components of your Trend Micro Security, do the following:
  1. Close all open programs or applications.
  2. Open the Trend Micro Diagnostic Toolkit by doing either of the following:
    • Go to Start > All Programs > Trend Micro (program version) Security > Trend Micro Diagnostic Toolkit.
    • Go to Start > My Computer > Local Disk C: or OS C: > Program Files > Trend Micro > Titanium > SupportTool.exe.
  3. Click the Uninstall tab.
  4. Click Stop all components.
  5. Wait until all the buttons are enabled, then click Start all components.
  6. Close the Trend Micro Diagnostic Toolkit, check if the issue persists.
Uninstall your Trend Micro Security using the Trend Micro Diagnostic Toolkit, then reinstall the program. Do the following:


Microsoft has formally announced Windows XP (April 8, 2014) and Windows Vista (April 11, 2017) end of support. Because Microsoft no longer fixes issues on Windows XP and Windows Vista, it has become increasingly difficult for Trend Micro to keep users safe on these operating systems. We encourage all of our users to upgrade their PCs to a more modern operating system which will provide greater stability and security.
  1. Go to Start > All Programs > Trend Micro (program version) Security > More Tools & Help >Trend Micro Diagnostic Toolkit.
  2. Click (C) Uninstall tab.
  3. Click 1. Uninstall Software, then wait while the program is being uninstalled.
  4. Click Yes when prompted to restart your computer.
  5. Download the installer file to begin the installation.
    Serial Number Starts with an 'X'
    Maximum Security
    Serial Number Starts with a 'P'
    Internet Security
    Serial Number Starts with an 'A'
    Antivirus+ Security
  6. Double-click the installer to run it.
    Click Yes when the User Account Control window appears.
  7. Wait for the installer to extract the files needed for the installation.
  8. Type your serial number, then click Next.
  9. Read the License Agreement, then click Agree and Install.
  10. Wait for the program to install. This may take a couple of minutes.
  11. Click Finish.
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 for Small Business - All;Titanium Internet Security - All;Titanium Internet Security for Dell - All;Titanium Maximum Security - All;Titanium Maximum Security Premium Edition - All;Titanium Premium Security - All;

Last Updated: May. 17, 2017 2:44 AM (PST)
Solution ID: 1059949