I am getting loads of event 4799, 4624, 4672 4905-4905 events in my Event viewer
Something is logging on, being given special privileges, and then trying to change some security group setting, and it keeps cycling every few minutes

VSVCC>exe and services.exe both seem to be involved

https://gyazo.com/20ccdb4d06e1dd6eb0d74dc46ddb720d event viewer looks like this
Its constantly like this

I've had command prompt appear and instantly disappear twice too

Can give more details, not sure what to write

I dont *think* its malware or a virus, scans (malware bytes and avria) are both clear, and I dont have any other problems.

I'm on Windows 10, and assume its something stupid to do with Windows, but would like to know what.

What is causing this? Im more curious than worried

Just like everyone you have lots of scheduled tasks running on your computer.

When I open Task Scheduler and (for example) drill down to indexer, I see it last ran at 12:42:34 for one second. There's corresponding events (just like yours) in the security section of the event log.

Edit: And the scheduled tasks run with elevated authority so that they can do the work they're supposed to do. In other words, your experience is, as you expected, totally normal.

Start your computer in safe mode, hopefully the issue doesn't occur.
If it still occurs, you'd better do a virus scanning!