A technician is investigating the cause of a Windows 7 PC running very slow. While reviewing Task Manager, the technician finds one process is using more than 90% of the CPU. Outbound network traffic on port 25 is very high, while inbound network traffic is low. Which of the following tasks should be done FIRST?
- Disconnect the network cable.
- Update the antivirus software.
- Run an antivirus scan.
- Shut down the PC.