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?
A. Disconnect the network cable.
B. Update the antivirus software.
C. Run an antivirus scan.
D. Shut down the PC.
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