McAfee Client Proxy (mcpservice.exe) Version 2.3.0.0 no longer has its own service, so when you try to stop the process, even as SYSTEM, it’ll fail with an Access Denied error. So, how to stop McAfee Client Proxy (mcpservice.exe)? Well, with the help of Process Hacker (Process Explorer should also do). Before continuing, let me say that […]