To reset your browser settings you need to:
Update your signature database with Update tab.
Start Full scan with Computer Scan tab, wait the completion of the scan.
Click Apply to move to quarantine all found items, reboot your computer if Loaris tells about it.
Run Loaris Trojan Remover if it’s not running.
Go to the Tools tab and click Reset browser settings.
Confirm your choice in the Confirmation window.
Reboot your PC.