You can select the actions for the application to perform on files in which it has detected threats.
The application attempts to disinfect the infected file it has detected. If the check box is selected, the application first attempts to disinfect an infected file that it has detected. If the application fails to disinfect the infected file, the application performs the action specified in the If disinfection fails section.
If the check box is cleared, on detecting a malicious file the application immediately performs the action specified in the If disinfection fails section.