Please help me fix the Administrative Rights!

Ok, first let me admit I goofed when I did the installation of the new computers. Somehow or another when I setup the Prez’s laptop on the network I inadvertently setup his PC profile and his network profile to where they don’t match up. Therefore I can give him access to the public network drive but I cannot give him administrative rights to his computer.

He needs the admin rights with his login because the Antivirus software cannot install database updates without those rights. (Weekly update)

How do I remedy this without losing his all his Outlook data?

Thanks in advance y’all!
Tink 🙂