You can switch from async mode to sync mode using these commands in your standalone Mac.
Before you begin
You must have administrator rights on the system you intend to change the mode.
Task
Open a Terminal window, run the following commands in the given order.
Disable Threat Prevention in async mode:
sudo /usr/local/McAfee/AntiMalware/VSControl stopoasChange Threat Prevention to sync mode:
sudo /usr/local/McAfee/AntiMalware/VSControl switch-mode syncEnable Threat Prevention in sync mode:
sudo /usr/local/McAfee/AntiMalware/VSControl startoasIf you have installed Adaptive Threat Protection, then run these commands:
Stop Adaptive Threat Protection:
sudo /usr/local/McAfee/atp/bin/ATPControl stopChange Adaptive Threat Protection to sync mode:
sudo /usr/local/McAfee/atp/bin/ATPControl switch-mode syncStart Adaptive Threat Protection:
sudo /usr/local/McAfee/atp/bin/ATPControl start