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Restart Required Install Error From Trend Micro Keeps Showing

LAST UPDATED: JAN 22, 2025

Have you encountered this frustrating error message multiple times while installing Trend Micro? Don't worry; you're not alone! Let's tackle this issue together.

"Restart Required"

What Happened?

The installer is having trouble removing old Trend Micro files, even after a restart.

What To Do Next?

  1. Log onto your computer using an account with administrator privileges.
  2. Uninstall Trend Micro Troubleshooting Tool.
    1. On your keyboard, press Windows + R keys at the same time to open the Run window.
    2. Type appwiz.cpl, then click OK.
    3. Find and uninstall Trend Micro Troubleshooting Tool from the application list.
  3. Download and install the Trend Micro Remnant File Remover Tool to completely remove these files.
  4. After restarting, run the installer again.
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