Avoid formatting the drive

[Reza Usefi]

hello
non-privilieged users are not allowed to format drives, but it happened!!!
this is my problem
i was defined for my user deny access to the drive d: but when i was log in with that user . it can formtted the drive d and the drive was formatted

 

[Reza Usefi]

non-privilieged users are not allowed to format drives, but it happened!!!!!!!!!!
what am i do????????