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After upgrading your Trend Micro Security, its system tray icon is missing. You also cannot open the program using the shortcut icon or through the Start Menu.


Open Trend Micro Diagnostic Toolkit.
  1. On your keyboard, press the Windows Windows Key + R keys. The Run window should be open.
  2. In the Open field, type supporttool.exe, then press ENTER. The Trend Micro Diagnostic Toolkit should open.
Stop Trend Micro components.
  1. Click the (C) Uninstall tab.
  2. Click 5. Stop all components.

    Stop all components

  3. Wait for 10 seconds.
Run the hotfix.
  1. Click the button below to download the hotfix, then save it to your desktop.

    Download Hotfix

  2. Double-click the Ti_1700_win_en_uiWatchDog_hfb0001.exe icon.
  3. Follow the prompts to install the hotfix.
  4. Restart your computer.


Still not working?

Run another hotfix so you can open the main program window.

  1. Click the button below to download the hotfix, then save it to your desktop.

    Download Hotfix

  2. Double-click the Ti_1700_win_en_manualstartup_hfb0001 icon.
  3. Follow the prompts to install the hotfix.
  4. Restart your computer.

Need help?

Let our Technical Support team assist you.

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