How to restore the hosts file manually
1. Press the start button.
2. Enter notepad into the search field.
3. Right-click the Notepad in the results.
4. Select Run as administrator:
Press File – Open:
Switch filter to All files.
Remove all entries.
Save the file (CTRL+S).
How to clear the hosts file with NetAdapter Repair
All you need to reset hosts is to press the button Clear Hosts File: