Open Disk Utility and run a permissions repair on your startup volume:
Read moreHow do I get full permissions on my Mac?
Apply permissions to all items in a folder or a disk
Read moreHow do I enable denied permissions?
Change app permissions
Read moreHow do I allow permission to access?
Setting Permissions
Read moreHow do I fix permissions denied on Mac?
Go to Security & Privacy. In the Security & Privacy window go to the Privacy tab then click the Padlock at the bottom left. Enter the administrator User Name and Password then click Unlock. In the left pane you’ll find the services and devices you can grant or deny access to for the apps in the right pane.
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