单选题Malware has been detected and removed on a customer computer several times in a short periodof time. Which of the following will BEST help prevent future occurrences?（）ADefragment the hard driveBDiscuss safe web-browsing habits with the customerCDelete temporary files, cookies and browser historyDInstall anti-virus software which uses manual updates
单选题
Malware has been detected and removed on a customer computer several times in a short periodof time. Which of the following will BEST help prevent future occurrences?（）
A
Defragment the hard drive
B
Discuss safe web-browsing habits with the customer
C
Delete temporary files, cookies and browser history
D
Install anti-virus software which uses manual updates
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