To fix the issue:

1. Install the latest Java components for Microsoft Internet Explorer from the Sun Microsystems Java website.
2. Set the correct settings for IIS:
   1. Open the IIS Manager.
   2. On the left-hand pane, click HOUSECALL > Web Service Extensions.
   3. On the right-hand pane, check if the status of Active Server Pages says "Allowed". If it does not, click the Allow button.
   4. Add a new Web Service Extension:
      1. Right-click on Web Service Extensions.
      2. Click the Add a new Web service extension... button to open the New Web Service Extension window.
   5. In the Extension field, type "Housecall" then click Add > Browse.
   6. Select these files:
      • C:\Program files\Trend Micro\Housecall\hcadmin\webui.exe
      • C:\Program files\Trend Micro\Housecall\hcbin\HcAddlog.exe

      Afterwards, click OK.

   7. Right-click on the HOUSECALL virtual folder and then click Properties.
   8. In the Virtual Directory tab, click Configuration > Options > Enable Parent Paths and then click OK twice.
   9. Right-click the AUHOUSECALL virtual folder, and then click Properties > Headers > MIME Types.
   10. Add these entries:
       • Extension: .ini
       • MimeType: .ini

       Afterwards, click OK three times.

   11. Right-click on the HCBIN virtual folder, then click Properties.
   12. In the Virtual Directory tab, click Configuration.
   13. Click Mappings > Add, then specify these items:
       • Executable: c:\Program files\Trend Micro\Housecall\hcbin\HcAddlog.exe
       • Extension: .exe.
   14. For the Verbs field, select Limit to and then type "GET, POST".
   15. Save all of changes and then restart the WWW Publishing Service.