To resolve the issue, do the following:

1. Remove the following items from the site used by Apex Central.
   1. Open IIS manager.
   2. Click Sites in the Connections pane on the left.
   3. Select the site name you specified when you installed Apex Central. By default, Apex Central will be installed on Default Web Site.
   4. Delete the following:
      • Virtual Directory
        • Control Manager
        • TVCS
        • TVCSDownload
      • Application
        • WebApp
2. Remove information for Apex Central from ISAPI and CGI Restrictions.
   1. In the Connections pane, click the icon with the machine name and doubleclick ISAPI and CGI Restrictions.
   2. Sort by the Path column and remove all settings under the Apex Central installation folder.
    

   The default path in 64-bit environment is C:\Program Files (x86)\Trend Micro\Control Manager\.

    
3. Delete the Apex Central database.
    

   If you want to save the current data, back up the database in advance by referring to the Microsoft documentation.

    
   1. In SSMS, log on to the SQL server where the Apex Central database is located.
   2. Right-click the database name and click Delete.
      Default database name: db_ApexCentral
   3. Open a command prompt as administrator.
   4. Connect to SQL Server using the sqlcmd utility:
       

      For details on how to use the sqlcmd utility, see the Microsoft documentation.

       
      • If you have db_ApexCentral on instance name "SQLEXPRESS"
        sqlcmd -S localhost\SQLEXPRESS -u account_name -p password
      • If the default instance has db_ApexCentral
        sqlcmd -S localhost -u account_name -p password
   5. Run the following command:
      DROP DATABASE db_ApexCentral
      GO
   6. You can exit the sqlcmd utility by typing "quit".
4. Delete the following registry keys if they exist:
   • HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\TMI
   • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TrendMicro Infrastructure
   • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TrendMicro Infrastructure
   • Under HKEY_CLASSES_ROOT\Installer\Dependencies\, search for "Trend Micro Apex Central", and delete all folders that contain this key
   • Under HKEY_CLASSES_ROOT\Installer\Products\, search for "Apex Central", and delete all folders that contain this key
   • Under HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Dependencies\, search for "Trend Micro Apex Central", and delete all folders that contain this key
   • Under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\, search for " Apex Central", and delete all folders that contain this key
   • Under HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\, search for "Trend Micro Apex Central", and delete all folders that contain this key
   • HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\TrendMicro\TMI
   • HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\TrendMicro\TVCS
   • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TMCM
   • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TMCM
5. Restart the machine.
6. Re-install Apex Central as an Administrator.