Recent answers to why mine firefox connects to webshieldext.xyz on startup?https://support.mozilla.org/en-US/questions/12118152018-04-01T00:42:24-07:00Type about:config<enter> in the address bar.
If a warning screen comes up, press the I Accept 2018-04-01T00:42:24-07:00fredmcd-hotmailhttps://support.mozilla.org/en-US/questions/1211815#answer-1095435<p>Type <strong>about:config</strong>&lt;enter&gt; in the address bar.
If a warning screen comes up, press the <strong>I Accept the Risk</strong> button.
At the top of the screen is a search bar.
Type <strong>browser.startup.homepage</strong>
</p><p>What is the value?
Right-click and select <strong>Reset</strong> to restore its
default value; <strong>about:home</strong>
</p>