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You encounter either of the following error messages when installing Trend Micro Antivirus for Mac:

Incompatible Software Found

“Incompatible Software Found”

“Please try to install Trend Micro Antivirus again after removing following programs from this computer.”

Unable to Install Trend Micro Antivirus

“Unable to Install Trend Micro Antivirus”

This happens when there is another security software installed in your Mac. Having two or more security software running at the same time can slow down system performance and can cause unexpected system error.


List of programs to remove

  • Avast! Antivirus Mac Edition
  • AVG AntiVirus
  • AVG LinkScanner
  • Avira Mac Security
  • Bitdefender Antivirus
  • Bitdefender Virus Scanner
  • ClamXav
  • Comodo Antivirus for Mac
  • Dr. Web for MacOSX
  • ESET Endpoint Security
  • Hotspot Shield
  • Intego Internet Security
  • Intego NetBarrier
  • Intego VirusBarrier
  • Kaspersky Anti-Virus
  • Kaspersky Internet Security
  • Kaspersky Virus Scanner
  • MacKeeper
  • MacScan
  • Malwarebytes Anti-Malware
  • McAfee Endpoint Protection for Mac
  • McAfee Internet Security for Mac
  • McAfee VirusScan for Mac
  • Microworld eScan for Mac
  • Norton AntiVirus for Mac
  • Norton Internet Security for Mac
  • PC Tools iAntiVirus
  • ProtectWorks Antivirus
  • Sophos Anti-Virus for Mac OS X
  • Virus Scanner Plus
  • Webroot SecureAnywhere
Steps to remove conflicting programs

  1. Open the Applications folder:
    • Click Go > Applications.
    • Right-click or control-click the Applications folder on the Dock, then select Open Applications.
    • Open your Hard Drive, then click the Applications folder on the left pane.
    • Type “Application” in the Spotlight field, then press RETURN.
  2. Look for any of the programs mentioned, then drag and drop them into the Trash.
  3. Type your administrator password on the field provided, then click OK.

If you encounter any issues when removing any of the programs mentioned, contact the program manufacturer for support.

Incompatible Software: Malwarebytes

  1. Click the button below to download the Uninstall Tool:

    Download Uninstall_MWB.zip

  2. Once the folder has downloaded, double-click the Uninstall_MWB.zip folder to extract the files automatically.
  3. Click Uninstall_MWB to run the tool.Uninstall_MWB.zip
  4. Click Yes when prompted to proceed with the uninstallation.Uninstall Malwarebytes
  5. Wait for the installation to finish.Removal Done
  6. Click OK.Uninstall Complete
  7. Close the uninstallation window and try installing Trend Micro Antivirus.
Incompatible Software: Avast

  1. Click the button below to download the Setup file:

    Download Avast Security

  2. Double-click the downloaded setup file avast_security_online.dmg, then select Uninstall Avast.Uninstall Avast
  3. Click Uninstall.Uninstall Avast
  4. Select additional security products to uninstall, then click Continue.Uninstall additional security products
  5. When prompted, use your Touch ID or enter your administrator User Name and Password, then click OK to grant permission for the uninstallation.Uninstall Complete
  6. Click Quit.
  7. Close the uninstallation window and try installing Trend Micro Antivirus.
Incompatible Software: AVG

  1. Open AVG AntiVirus for Mac.
  2. Click AVG AntiVirus on the menu bar, then select Uninstall AVG AntiVirus….
  3. Click Uninstall.Uninstall AVG
  4. Enter your administrator User Name and Password, then click OK to grant permission for the uninstallation.Login

    If you are unable to uninstall AVG by following the previously described steps, do the following:

    1. On the Menu Bar, click Go, select Utilities.Go to Utilities
    2. Click Terminal.Go to Terminal
    3. Type the following command on the command-line, press RETURN to execute it:/Library/Application\ Support/AVGAntivirus/components/uninstall/com.avg.uninstall.app/Contents/MacOS/com.avg.uninstall

      /Library/Application\ Support/AVGAntivirus/components/uninstall/com.avg.uninstall.app/Contents/MacOS/com.avg.uninstall

  5. Click Uninstall, then follow the on-screen instructions.Uninstall AVG
  6. Close the uninstallation window and try installing Trend Micro Antivirus.
Incompatible Software: Avira

  1. On the Menu Bar, click Go, select Utilities.Go to Utilities
  2. Double-click the Avira folder.
  3. Double-click theAvira-Uninstall icon to launch the uninstallation wizard.
  4. Click Uninstall.Uninstall Avira
  5. Enter your administrator User Name and Password, then click OK to grant permission for the uninstallation.
  6. Click Done.Uninstall Avira
  7. Try installing Trend Micro Antivirus.
Incompatible Software: Bitdefender

  1. Minimize any open windows, then click on any empty space on the desktop.
  2. On the Menu Bar, click Go, then select Applications.Go to Applications
  3. In the Applications window, you will see a Bitdefender folder (also indicated in the picture below). Open that folder.Bitdefender Folder
  4. In the Bitdefender folder, double-click BitdefenderUninstaller.BitdefenderUninstaller
  5. A new window will pop-up. Click Uninstall.Uninstall Bitdefender
  6. Enter your administrator User Name and Password, then click OK to grant permission for the uninstallation.Uninstall Bitdefender

    Uninstall Bitdefender

  7. When the process is complete, click Close.Uninstall Bitdefender

    A web page will open, asking you to complete a survey. If you do not have the time, simply close the page.

  8. Try installing Trend Micro Antivirus.
Incompatible Software: MacKeeper

  1. Click the button below and save to file into your desktop:

    Download deleteMacKeeper.sh

  2. On the Menu Bar, click Go, select Utilities.Go to Utilities
  3. Click Terminal.Go to Terminal
  4. Type the following command on the command-line, press RETURN to execute it:sudo sh deleteMacKeeper.sh
  5. Wait for the process to finish.
  6. Close the Terminal window and try installing Trend Micro Antivirus.
Incompatible Software: McAfee

  1. Close your browsers (Safari and Chrome) during removal to ensure that the McAfee browser plug-in is removed correctly.
  2. On the Menu Bar, click Go, then select Applications.Go to Applications
  3. Double-click the McAfee Internet Security Uninstaller.
  4. Click Continue.
  5. Type your administrator password, then click OK.
  6. Click Finish.
  7. Wait for the process to finish.
  8. Try installing Trend Micro Antivirus.
Incompatible Software: ESET Antivirus for Mac

  1. Click Finder to open a new Finder window.
  2. Click Applications, hold the CTRL key, click ESET Endpoint Security or ESET Endpoint Antivirus, then select Show Package Contents from the menu.Show Package Contents
  3. Navigate to Contents > Helpers, then double-click Uninstaller.app to run the uninstaller.ESET Uninstaller
  4. Click Uninstall.ESET Uninstall
  5. Type your administrator password, then click OK if you are prompted to enter a password.Authorize uninstall
  6. You will see the Uninstall Succeeded message when ESET Endpoint Security or ESET Endpoint Antivirus has been successfully uninstalled. Click Close.ESET Close
  7. Try installing Trend Micro Antivirus.
Incompatible Software: Intego Software for Mac

  1. Download the package installer from the download button below:

    Download Mac_Premium_Bundle_X9.dmg

  2. Open the downloaded dmg file. You will have the option to Uninstall.Uninstall Intego
  3. Double-click Uninstall.
  4. Follow the prompts to uninstall Intego software.
  5. Wait for the process to finish.
  6. Try installing Trend Micro Antivirus.
Incompatible Software: Norton programs for Mac

  1. Download the RemoveSymantecMacFiles.zip below:

    Download RemoveSymantecMacFiles.zip

    RemoveSymantecMacFiles removes all the folders that are created by Norton installers and any files within those folders including any you that have created.

  2. Click Go > Downloads to go to the Downloads folder.Do one of the following:
    • If you downloaded the file using Safari browser, open the RemoveSymantecMacFiles folder.
    • If you downloaded the file using the Mozilla Firefox or Google Chrome browsers, double-click the RemoveSymantecMacFiles.zip file to expand it, then open the RemoveSymantecMacFiles folder.
  3. In the RemoveSymantecMacFiles folder, while holding the CTRL key, click the RemoveSymantecMacFiles.command file.
  4. Click Open with > Terminal (default).
  5. In the Terminal window, type your administrator password, and then press the RETURN key.

    When you type your password, no characters will appear.

  6. Remove all Symantec files and folders by typing “1”, then press the RETURN key.
  7. When the RemoveSymantecMacFiles tool finishes removing the Symantec files in the Terminal window, type “y”, then press the RETURN key to restart your Mac.
  8. Wait for the process to finish. Once done, try installing Trend Micro Antivirus for Mac.
Incompatible Software: Webroot SecureAnywhere

  1. Open Webroot SecureAnywhere.
  2. In the top left corner of the screen, click Webroot SecureAnywhere.
  3. Select About SecureAnywhere.Shut Down SecureAnywhere
  4. In the pop up window that appears, click Uninstall Webroot SecureAnywhere.Uninstall Webroot SecureAnywhere
  5. In another pop up, click Yes. Webroot SecureAnywhere will now uninstall.Uninstall Webroot SecureAnywhere
  6. If the Webroot SecureAnywhere icon is pinned to the dock, drag it to the trash.Uninstall Webroot SecureAnywhere

    Webroot SecureAnywhere is now uninstalled. There is no need to restart your Mac.

  7. Proceed in installing Trend Micro Antivirus.
Incompatible Software: Other Security Software

  1. Open the Applications folder.
  2. Click Go > Applications.
  3. Look for the name of the detected incompatible software.
  4. Drag the software icon or folder into the Trash Trash Icon in the dock.
  5. Click Go > Go to Folder, then navigate to each location:~/Library/Application\ Support/

    ~/Library/LaunchAgents/

    ~/Library/PreferencePanes/

    ~/Library/Preferences/

    ~/Library/Caches/

    ~/Library/Containers/

    /Library/Application\ Support/

    /Library/Caches/

    /Library/LaunchAgents/

    /Library/LaunchDaemons/

    /Library/PreferencePanes/

    /Library/Preferences/

    /Library/StartupItems/

  6. Check for any item related to the detected incompatible software and drag it into the Trash Trash Icon in the dock.

Source : Official Trend Micro Brand
Editor by : BEST Antivirus KBS Team

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