Google automatically goes to Yahoo

Hi Kristin L,

Thank you for giving us the chance to assist you with your Mac. You can count on us to do our best to assist you or get you pointed in the right direction.

We understand that your search engine switches from Google to Yahoo. The articles below may help.

Customize searching in Safari on Mac - Apple Support Change Search preferences in Safari on Mac - Apple Support

Take care!

Sounds like you picked up some AdWare...

The free Malwarebytes may take care of it...

https://www.malwarebytes.com/mac/

See if you have unknown Profiles.

To remove a configuration profile in macOS:

1. From the Apple menu, select System Preferences....
2. From the View menu in System Preferences, select Profiles.Note:
3. Profiles won't be visible until you have at least one profile installed.
4. Select the profile you want to remove, and then press the - (minus) button. Click Remove to remove the profile.

Good news, which one was it that worked my friend?

Great, thanks & take care my friend. :)