1. Force Quit Safari.
Force Quit .
Press command + option + esc keys together at the same time. Wait.
When Force Quit window appears, select Safari if not already.
Press Force Quit button at the bottom of the window. Wait.
Safari will quit.
2. Relaunch Safari holding the shift key down.
This will launch Safari in Safe Mode.
The scam page that crashed Safari will not return.
3. Turn off wifi and turn it back on.
Turn off Wifi. Click Wifi icon in the menu bar and select “Turn Wifi off”.
Visit another website.
You won’t have internet connection.
Turn on Wifi. Click Wifi icon in the menu bar and select “Turn Wifi on”.
Select your Network.
4. Delete Cookies
Safari > Preferences > Privacy > Cookies and other website data:
Click the “Details” button.
Remove all cookies except ones from Apple, your internet service provider and banks.
5. Disable Extensions and test.
Safari > Preference > Advanced
Checkmark the box beside "Show Develop menu in menu bar".
Develop menu will appear in the Safari menu bar.
Click Develop and select “Disable Extensions” from the dropdown.
Safari > Preferences > Extensions
Enable Extensions one by one and test.
To uninstall any extension, select it and click the “Uninstall” button.