Error 5 - Not being installed form and administrator account.

If you are getting this error, it is because you do not have the proper authorization to install Diskeeper. The account from which you install and run Diskeeper must be a member of the Administrators group, but not a member of any other local groups such as Power Users, Backup Operators, and so on. It does not matter if the account is a member of any Domain groups such as Domain Administrators and Domain Users. If you make a change to the group membership of your account, log out and back in, then try Diskeeper.

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