Steps to take while uninstalling and Removing Trend Micro Internet Security Pro, PC-Cillin Internet Security 2011/2010/2009/2008/2007/2006/2005

Trend Micro Internet Security Pro, PC-Cilllin Internet Security 2008, 2007, 2006 and 2005 can be un-installed using either the normal un-installation or manual installation. Almost everyone knows the normal un-installation procedures with Windows Uninstall utility via the control panel and Start Menu.

The steps to be followed to remove Trend Micro via Control Panel are

  1. Click on “Start”, and select “Control Panel”
  2. Select “Add/ Remove Programs”.
  3. Locate Trend Micro and PC-Cillin, click “Remove” button to start the un-installation.
  4. Follow the steps to complete un-installation.

The steps to be followed to remove Trend Micro via Control Panel are

  1. Click on “Start”, and select Trend Micro folder.
  2. Choose Uninstall PC-Cillin Internet to complete un-installation.

Even after removing Trend Micro with Windows Uninstall utility, the software is still found to be resident on the system. It could be because some registry entries are not completely removed and are available in the Windows registry. This could lead to failing to login to the system, system crash and some rare times blue screen errors appearing randomly.

In order to overcome these problems, it is best to completely remove the Trend Micro Internet Security Pro, PC-Cillin Internet Security, by using manual installation. Trend Micro also provides a utility to manually remove the product from the hard disk.

Manual Un-installation of Trend Micro Internet Security Pro and Trend Micro Internet Security 2008 using TISSuprt.exe

  1. Close the Trend Micro Internet Security console if open.
  2. Run Windows Explorer and browse to the following folder:
    C:\Program Files\Trend Micro\Internet Security\

Note that if Trend Micro is installed on another partition change the drive letter accordingly.

  1. Locate the TISSuprt.exe and run it by double clicking on that. It will look like a lifesaver icon in white and red colours.
  2. You will now get and new window of Diagnostic Toolkit for Trend Micro. Select the Uninstall tab.
  3. Click on the Uninstall button.
  4. A new Dialog box appears asking to continue with the un-installation. Now Click on the UnInstall button
    Note: If you are prompted to delete the files that are quarantined, you will need to agree to that in order to be able to continue with un-installation.
  1. When the un-installation is complete, a message appears. Then Click Yes to restart your computer.

Manual Un-installation of Trend Micro PC-Cillin Internet Security 2005, 2006 or 2007 using PCCTool.exe

TISSuprt.exe is called PCCTool support utility in the older versions of Trend Micro PC-Cillin Internet Security. The procedure to uninstall the Trend Micro PC-Cillin software remains the same.

  1. Close the main console of PC-Cillin Internet Security if open.
    1. Run Windows Explorer, and navigate to the following folder:

C:\Program Files\Trend Micro\Internet Security 200x

Every version of Trend Micro PC-Cillin Internet Security product comes with its own unique folder corresponding to its version, so simply replace the “200x” with 2005, 2006, or 2007 according to your version. Besides this also change the drive letter if Trend Micro is installed on any other partition.

  1. Open the PCCTool.exe file which has a capsule and a life saver icon.
  2. Trend Micro PC-Cillin Internet Security support tool window opens. Select the [E] Uninstall tab.
  3. Under Install and Uninstall option, click on 4. Uninstall.
  4. Select Uninstall when dialog box asks for confirmation.
  5. When un-installation is complete you could reboot the system by clicking on Yes button
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