Right-click on the "Resident Shield" icon located on the right side of the taskbar, then select "Open AVG User Interface."
Double-click on "Resident Shield" in the middle of the AVG User Interface window. As an alternative, click on "Tools," then "Advanced Settings," and then select "Resident Shield."
Uncheck "Resident Shield Active" under the Resident Shield settings section, then click "Save Changes." This will disable the Resident Shield but keep the Email Scanner and other virus protection features active.