not necessary. Virus and spyware scanning includes real-time scanning, which
means that your computer is scanned for viruses in real time. Our
recommendation is to perform a scheduled scans every 1-2 weeks.
Note: Scanning for malware is
an intensive process. It requires the full power of your computer and takes
some time to complete. For this reason, you might want to set the program to
scan your computer when you are not using it.