By default, On-Access File Scanning is enabled and set to Scan in Smart Mode. It checks each file when you open, save, or execute it. You can change the default settings as necessary.

To customize automated On-Access File Scanning:

1. Click in the ANTIVIRUS & FIREWALL panel of the ZoneAlarm software client.
2. Click Settings in the Antivirus/ Anti-Spyware section.
3. In the Current Settings section, click Files and downloads are scanned when accessed.
   The Antivirus/Anti-spyware Settings window opens and shows the On-Access Scanning settings.
4. Make sure Enable On-Access Scanning is selected.
   Note - We do not recommend to turn off the On-Access Scanning, because it provides protection against viruses and spyware in real time.
5. Select the scan mode:
   • Scan when reading and writing - scans files when they are opened, saved, or executed
   • Scan when reading - scans files when they are opened or executed
   • Scan in Smart Mode - scans according to a set of intelligent rules
6. Click OK.