The heuristic analysis comprises a large number of tests based on typical virus content or behavior and the sensitivity level will determine how many tests would have to be failed for a file to be considered as infected. You can adjust the heuristic sensitivity by clicking on the orange bars to change the sensitivity to Low, Normal or High, or you can turn it off completely. In the “Settings”, as well as scanning the boot-sector, you can also specify other areas to be scanned automatically when the system restarts.
This is useful if you suspect that a virus may have been installed on your computer, as it will enable the virus to be detected before it is activated and before it can do any damage to your computer. when it “boots”, before the operating system is active. It is possible to schedule a scan to be carried out automatically when the system restarts i.e.