A user recently browsed several online shopping sites on a computer. Since then, the user has been experiencing pop-ups that appear in the browser. The pop-ups also display in the right corner of the screen without the browser open.
Which of the following should the technician do to remove the pop-ups?
A . Enable a firewall.
B . Apply OS security updates.
C . Boot the computer in safe mode and run chkdsk.
D . Run an anti-malware application
Answer: A
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