- Check your browser settings
Check your browser’s default homepage, search engine providers, and homepage overrides (if any). Ensure these settings are set as they should be.
- Check your browser extensions
Confirm that all of your browser’s extensions have been installed by you, and that none of them are out of date (or malicious software).
- Check your router settings
Check router’s settings, and ensure that no-one else has accessed your router and changed its settings.
- Check your internet security settings
Ensure your anti-virus and firewall programs are up-to-date and functioning properly.
- Run a malware scan
Run a malware scan (preferably with an up-to-date malware removal program).
- Reset your browser
Reset your browser settings to the default configuration (including homepage, search engine provider, etc.).
