Hi
There are several reasons may cause this error:
When a upgrade form Windows 7 and earlier versions to Windows 10 may cause this error.This situation require change the ownership .
The settings in the Security section have been changed (someone has blocked some permissions).
The Deny option was assigned to the folder owner randomly.
There is a file system incompatibility.
To resolve this, following advice for your reference:
Give permission to read this folder for everyone as following:
Change the onwer of the folder.
Following link for your reference:
https://www.diskinternals.com/partition-recovery/do-not-currently-have-permission-to-access-this-folder/
https://www.fonepaw.com/windows/you-dont-currently-have-permission-to-access-this-folder.html