The Smart Scan Pattern is not updated because the update URL it is using is incorrect. You need to check the AU.ini file and the URL it is updating from.

To resolve the issue, change the update URL as specified below. The default and correct update URL for Worry Free Business Security 10 should be as follows:

1. Go to C:\Program Files (x86)\Trend Micro\Security Server\PCCSRV\wss
2. Create a backup of the AU.ini file.

3. Modify the AU address to the following:

   DefaultAUServer=http://wfbs-lspn20-p.activeupdate.trendmicro.com/activeupdate/

4. Restart the WFBS Master Service.
5. Perform another update. The update should be completed and the Smart Scan Patterns should be updated successfully.