I don't see the smart scan board so I cant stop smart scan.

I dont see the smart scan board, I can’t turn off smart scan.

https://gyazo.com/228aa5e9dddd956565236eca7801c5c9

this is what im seeing.

Also, is it safe to turn off laptop while scan is running?

Try repair >> https://support.avast.com/en-eu/article/Repair-Antivirus