Ensure that other groups and users (except SYSTEM and Administrators) have no Full control, Modify and Write permissions, otherwise set Read permissions for USER:
cacls "C:\Intel" /E /G USER:R
Using GUI:
Right-click on the folder C:\Intel in the Explorer
Select "Security” tab
Select "Authenticated Users” in "Group or user names:”, click on "Edit” button
Select "Authenticated Users” again and click on "Remove” button, then "OK” button
Ensure that other groups and users (except SYSTEM and Administrators) have no Full control, Modify and Write permissions