If you see the message An error occurred while attempting to checkpoint the selected virtual machines, with Event ID 3280, this post will help you resolve the issue ...
All the Hyper-V services in the guest OS are running. I'm not sure how I'd check that they are working beyond that? The guest OS should be current as far as updates are concerned, as I ran the updates ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results