Je hebt die nieuwe account niet toegevoegd aan de Administrators group.
Terug opstarten met de admin account gebruikt voor installatie en volgende stappen uitvoeren.
How to Add User Accounts to Administrators Group in Windows 8?
Although using the following procedure administrators can add user accounts to any group, i.e. built in groups or manually created groups, steps given below display how to add a newly created user account to Administrators group:
- Log on to Windows 8 computer with the account that has administrative privileges.
- From the options available on the screen click Desktop icon.
- On desktop screen press Windows + R keys together to start Run command box and in the available field type COMPMGMT.MSC command and press enter.
- On Computer Management snap-in from the left pane expand System Tools > Local Users and Groups and left-click
Groups to select.
- From the right pane right-click on Administrators group and from the context menu click Properties.
- On Administrators Properties box click Add button.
- On Select Users box type in the name of the user account or accounts that are to be added to Administrators group and click Check Namesbutton.