How to remove the error "you need permission to perform this operation"?

Question

System administration

When you try to delete a certain file, a "no access to the file" window appears, which says:
"you need permission to perform this operation"
and
"request permission from [administrator account name]"
But the fact is that it is in this account records I now and am.

Answer 1

1. Run the program as administrator .
Yes, it sounds silly , but Windows requires for some operations that the program be run "as administrator" even if you are an
administrator , like hosts :)

Answer 2

restart the computer - this helped me, especially deleting the gulp project

Answer 3

Sometimes such a message is displayed if this file is used by any program. For example, I couldn't delete a folder because it was open in winscp. Solution: close the program