Do the following:

1. Run ..\Apex One\PCCSRV\Admin\Utility\PLM\PLMSetup.exe then click Next.

   

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2. Choose Remove to uninstall Plug-in Manager.

   

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3. Click Next > Remove.
4. Wait until the uninstallation process is completed, then click Finish.

   

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5. Open Registry Editor and check if the Trend Micro Plug-in Manager key is deleted.
   HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{5DB0ECA1-4C56-488B-9BF1-FB300D9E1F54}
6. Run PLMSetup.exe again then click Next.

   

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7. Click Install to begin the installation.
8. Once the installation process is completed, click Finish.

   

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9. Log in to the Apex One web console then check if PLM was installed successfully by going to Logs > Server update.
    

   If you encountered the page below when accessing the Plugins, wait for some minutes for the programs to display.

   

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For more Apex One related web console troubleshooting steps, please refer to the following KB articles:

• Recreate OSCE virtual directory by following the instructions under Option B of Recreating Virtual Directory for OfficeScan (OSCE).
• Reset PHP_via_FastCGI permission by instructions in the following KB (i.e. Go to the Summary screen...): "Server Error" or "PHP Error" appears on the Summary Page of the OfficeScan management console.
• Dashboard errors because of PHP Permission issue in OfficeScan (OSCE).