Can't open the event viewer in Windows Server 2008?

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http://serverfault.com – Yesterday i just finished installing a file server running Windows 2008 to our company. Now i've noticed that somehow i can't open the event viewer with my standard administrative account. I've added my standard administrative account as a member to every admin group possible that is: Administrators, Server Operators, Domain Admins, Enterprise admins, but when i try to open the event viewer on the server it gives me an error msg that says: "Windows cannot acces the specified device, path or file. You may not have the appropriate permission to access the item." The same message goes when i (HowTos)