Safari interrupts shut down

[Midflyer]

When I ty to restart or shut down my MacBookPro, I get a message "Safari Interrupted Restart, to continue restart quit Safari." But Safari won't quit. The 'Quit Safari' tab on the drop down menu is grey.

 

[Cory Cooper]

Hello and welcome.

-Which model MacBook Pro?
-Which version of macOS?
-Which version of Safari?
-Do you have any Safari Extensions installed? If so, which ones?

C