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You see this message on your Trend Micro program:

Unable to install the update from Trend Micro

Why did this happen?

Your computer may have a corrupted Trend Micro update file or a conflicting third-party security software.

What should I do next?

Delete the corrupted update file:

  1. On your keyboard, press the Windows + R keys at the same time.
  2. In the Open field, type supporttool.exe, then click OK. The Trend Micro Diagnostic Toolkit should open.
  3. Click (C) Uninstall tab.
  4. Click 2. Delete Now. This will delete the broken update file.

    Deleting Security Update files

  5. Click Close.
  6. Update the program again.


If the error still appears after doing the steps above, remove any conflicting software on your computer. Show me how.

Still having issues?

Get more help through our Technical Support.

Keywords: Trend Micro update failed,cannot install update,update is not successful,firewall recovery tool,unable to install the update
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