Take the 2-minute tour ×  I know you can't do this by default,
you will get somethign like "You must have administrator
privileges to run this application.." or whatever, but I have
tried various ways to get around this. I have added the group
Users to the 'Perform Volume Maintence' tasks in Local Security
Settings, added defrag to the local security settings as non-
restricted, and tried changing the file permissions as
administrator as well for normal Users to use defrag, none of
which worked. Is there any way for a normal user to run defrag
on a computer? If I were at home, I would just do this by
logging on as administrator, but this is for school. Does anyone
have and suggestions, or know how to do this?  Basically I want
everything on the user account to remain the same, except add
the privlege of running disk defrag, either from the command
line or the application.  share|improve this question Have you
tried adding them to Power Users? It might be a bit much, but I
believe it should do the job without g