Your help desk just notified you that several computers in the Accounting Department are having issues that are similar to some type of virus or

Your help desk just notified you that several computers in the Accounting Department are having issues that are similar to some type of virus or other malicious attack. The help desk has run an antivirus scan on one of the computers and no malicious software or virus was found. As the help desk is reporting this to you, they added that in the past minute they have two more calls with the same problem except this time it is from the Sales Department. You are the Information Systems Security Manager List step by step actions you would take.