Broken system disk after data copy on another pc.

It won't hurt if you do a check disk.

Does C:\Users\NAME is the same on the desktop and on the Laptop?

Open a command prompt (admin) and run:
powercfg -h off

It's likely Windows 10 fast startup and the hiberfil.sys file that is causing the issue.

Megahertz said:

It won't hurt if you do a check disk.

I know, have done it already, but that does not help.

Megahertz said:

Does C:\Users\NAME is the same on the desktop and on the Laptop?

Different.
Was thinking about this as well but don`t think this could change anything and even if it would this is not a solution anyways. Haven`t got there yet.

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NavyLCDR said:

Open a command prompt (admin) and run:
powercfg -h off

It's likely Windows 10 fast startup and the hiberfil.sys file that is causing the issue.

Yes. It did the job. Fast startup was the problem!

And an important note on this:
The host pc was not causing this issue as I mentioned earlier. The problem was on laptop`s disk which I was connecting to the host pc. After turning off hibernation feature on the laptop`s disk everything seems to be fine now.

Well. Has something changed related to power configuration controls, boot processes with the latest version of windows 10 1903? Apparently yes. Haven`t had experienced anything like that before. Actually the problems and whole situation were totally unpredictable and random. What I mean by that are different random app errors, system boot errors, missing files (at least copied ones) etc. Felt like there`s a virus, faulty disk or memory. Damaged windows system in general...

Thank you very much Microsoft - you made my day.
But special thanks to NavyLCDR All sorted :)

Pleased all is good now .....the hibernation setting caught me out recently on a dual Win7 / Win10 setup..