Hi and welcome to the forum 
First of all: You can’t copy/paste an operating systems files as normal user, this is NOT Micro$@$…
To get any meaningful help from anyone you need to give detailed info about your system and EACH step you performed before you get the error message.
No one is telepathic or looks through your eyes to see what you did and do…
- So to start:
[HowTo] Provide System Information - Explain in details what you did step by step, before you got that error message.
- If English is not your native language, like it isn’t for most people on earth, you can use the extension mentioned here:
[HowTo] Become multi-language on internet
