Google search redirects to Yahoo

Uninstall any apps you do not recognize.

You have adware/malware installed. Use  Malwarebytes Anti-Malware for Mac. It may be necessary to run more than one scan. After scanning a couple of times, restart the computer and test. If necessary, follow the manual instructions.  Do not download any other programs that are listed in the articles.   Malwarebytes uninstall

See if the below helps. I would scroll down to the below or you might fall asleep.

Step 1. Eliminate Yahoo Redirect from Windows

Step 2. Delete Yahoo Redirect from Mac OS X

Step 3. Uninstall Yahoo Redirect from Internet Explorer

Step 4. Remove Yahoo Redirect from Microsoft Edge

Step 5. Erase Yahoo Redirect from Mozilla Firefox

Step 6. Get rid of Yahoo Redirect from Google Chrome

Step 7. Eliminate Yahoo Redirect from Safari

https://www.2-spyware.com/remove-yahoo-redirect-virus.html

Go to Safari Preferences/Extensions, uninstall any you don't recognize, and then turn all extensions off. Test. If okay, turn the extensions on one by one until you figure out what extension is causing the problem.

I have this same problem! Also my email will not send from any of my accounts.

This will take you to the site and do an automatic download. Malwarebytes Anti-Malware for Mac.

Or you can go the main site. https://www.malwarebytes.com

You are welcome. Glad to help.

Thank you so much! It worked perfectly! It had affected my outgoing email as well and this fixed that too.

You are welcome. Glad to help.