Disable McAfee ActiveShield
McAfee ActiveShield is another feature of McAfee that continuously protects your files by scanning them for any threat. You can also disable McAfee by selecting options from within McAfee ActiveShield.
Step 1: Locate the McAfee icon in the system tray at the lower right corner of the desktop. The McAfee icon is usually a red color M.
Step 2: Right click on that icon, and a list of options will appear in the popup menu. Move to “VirusScan" and then from the sub-options click “Disable".
Step 3: A message box will appear asking you to confirm that you want to disable the antivirus. Click Yes to disable McAfee antivirus.
You can also configure the McAfee ActiveShield options to disable continuous scanning of your files while you execute your specialized tool:
Step 1: Repeat steps one and two above and instead of disable, click options. Uncheck the Start ActiveShield when Windows starts option to disable your antivirus on system start.
Note: Disabling your antivirus software may leave your computer system vulnerable to attack. After you are done using your tools, you must immediately enable your antivirus in order to ensure security of your files. Also, scan your system thoroughly after enabling your antivirus to ensure that your system has not been compromised. Before turning off your antivirus, make sure that files you execute don't affect the safety of your computer system.