Strange computer behaviour going on for months

Hi,

I think I have been hacked, I've had all sorts of problems in the past months- then they stopped. Now they seem to have restarted.
Here is what happened today:

My computer became very slow.both online and off
I went to Event Viewer,

Here is what it said uder System:

Process **\MCUPDA~1.EXE pid (3800) contains signed but untrusted code, but was allowed to perform a privileged operation with a McAfee driver.

McAfee is my antivirus program, isn't this strange?

I looked at past messages

Error 03/05/2017 15:27:43 Service Control Manager 7009 None
Error 03/05/2017 15:27:43 DistributedCOM 10005 None
Error 03/05/2017 15:27:43 Service Control Manager 7000 None
Error 03/05/2017 15:27:43 Service Control Manager 7009 None
Error 03/05/2017 15:27:43 DistributedCOM 10005 None
Error 03/05/2017 15:27:43 Service Control Manager 7000 None
Error 03/05/2017 15:27:43 Service Control Manager 7009 None
Error 03/05/2017 15:27:42 DistributedCOM 10005 None
Error 03/05/2017 15:27:42 Service Control Manager 7000 None
Error 03/05/2017 15:27:42 Service Control Manager 7009 None
Error 03/05/2017 15:27:42 DistributedCOM 10005 None
Error 03/05/2017 15:27:42 Service Control Manager 7000 None
Error 03/05/2017 15:27:42 Service Control Manager 7009 None
Error 03/05/2017 15:27:42 DistributedCOM 10005 None
Error 03/05/2017 15:27:42 Service Control Manager 7000 None
Error 03/05/2017 15:27:42 Service Control Manager 7009 None
Error 03/05/2017 15:27:41 DistributedCOM 10005 None
Error 03/05/2017 15:27:41 Service Control Manager 7000 None
Error 03/05/2017 15:27:41 Service Control Manager 7009 None
Error 03/05/2017 15:27:40 DistributedCOM 10005 None
Error 03/05/2017 15:27:40 Service Control Manager 7000 None
Error 03/05/2017 15:27:40 Service Control Manager 7009 None
Error 03/05/2017 15:27:40 DistributedCOM 10005 None
Error 03/05/2017 15:27:40 Service Control Manager 7000 None
Error 03/05/2017 15:27:40 Service Control Manager 7009 None
Error 03/05/2017 15:27:40 DistributedCOM 10005 None
Error 03/05/2017 15:27:40 Service Control Manager 7000 None
Error 03/05/2017 15:27:40 Service Control Manager 7009 None
Error 03/05/2017 15:27:39 DistributedCOM 10005 None
Error 03/05/2017 15:27:39 Service Control Manager 7000 None
Error 03/05/2017 15:27:39 Service Control Manager 7009 None
Error 03/05/2017 15:27:39 DistributedCOM 10005 None
Error 03/05/2017 15:27:39 Service Control Manager 7000 None
Error 03/05/2017 15:27:39 Service Control Manager 7009 None
Error 03/05/2017 15:27:38 DistributedCOM 10005 None
Error 03/05/2017 15:27:38 Service Control Manager 7000 None
Error 03/05/2017 15:27:38 Service Control Manager 7009 None
Error 03/05/2017 15:27:38 DistributedCOM 10005 None
Error 03/05/2017 15:27:38 Service Control Manager 7000 None
Error 03/05/2017 15:27:38 Service Control Manager 7009 None
Error 03/05/2017 15:27:38 DistributedCOM 10005 None
Error 03/05/2017 15:27:38 Service Control Manager 7000 None

This is just a chunk, there are more errors.

In task manager there was a program called 'program' that Action Center said was slowing down my computer.

What do you think? Isn't this hacking?
What should I do about it?

Thanks