Hello, thank you for reaching out to Microsoft Q&A.
This issue is usually caused by a virus that has been installed on your computer, most likely a browser hijacker. First, remove any suspicious extensions and search engines from your browser. Then, run the Malwarebytes tool to perform a full scan of your computer and remove any detected threats.
Extensions - chrome://extensions/
Search engines - chrome://settings/searchEngines
Open the task manager and terminate all browser processes.
Then download the tool from the link here-
Use the free version and run a full system scan.
See if the Anti-Virus tool helps remove the malicious threats from your computer.
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