Chrome switching to Yahoo is usually caused by a browser hijacker or unwanted extension. Remove suspicious extensions, reset your search engine, and run a malware scan.
Cause
A browser hijacker or unwanted extension changed your search engine and homepage.
Fixes
- Remove unfamiliar extensions: Chrome menu, Extensions.
- Reset the search engine in Settings, Search engine.
- Reset Chrome settings.
- Scan for malware.
- Uninstall suspicious software.
Prevention
Download only from trusted sources.
Check
Settings, On startup.
Why the search engine changes
Chrome switching to Yahoo is usually caused by a browser hijacker, a potentially unwanted program or extension that changes the default search engine, or by bundled software installed with free apps. Some hijackers use enterprise policies to lock settings so changes revert.
- Check chrome://extensions for unknown extensions and chrome://settings/searchEngines for added engines.
- Chrome shows “Managed by your organization” when a policy sets settings, which can be set by malware on personal computers.
- Google reports that Chrome Safe Browsing blocks thousands of malicious sites per day, and Chrome’s Safety Check can flag harmful extensions.
Fixes and prevention
Remove unknown extensions and programs in Settings, Apps, run Chrome’s Safety Check and a scan with Microsoft Defender or Malwarebytes, and reset Chrome via Settings, Reset settings. Install software from official sites, choose “custom install” to opt out of bundled offers, and keep Chrome updated. On managed work devices, contact the IT administrator.
Why the search engine changes
A browser switching to Yahoo is often caused by a browser hijacker or unwanted extension, or software installed with bundled settings.
Fixes and prevention
Reset search engine in Chrome settings, remove unknown extensions, scan with antivirus and avoid software bundles.
How hijackers work
Browser hijackers modify the default search engine and homepage, often installed through bundled freeware or malicious extensions. They earn revenue by redirecting searches to ad driven pages. Yahoo is sometimes set as a result of deals with software installers, since search deals pay for distribution.
Cleanup steps
In Chrome go to Settings, Search engine and choose Google. In Extensions, remove unknown add-ons. Check Settings, On startup. Run Windows Security or Malwarebytes, and reset Chrome settings if needed. Only download software from official sites, and choose custom install options to opt out of bundled offers.
Based on data from Google Chrome Help and Microsoft Support
