Recent answers to How can I block a website?https://support.mozilla.org/ga-IE/questions/10050682014-06-08T00:39:14-07:00Go to the Mozilla Add-ons Web Page {web link}
(There’s a lot of good stuff here) and search for a go2014-06-08T00:39:14-07:00fredmcd-hotmailhttps://support.mozilla.org/ga-IE/questions/1005068#answer-587950<p>Go to the <em><strong><a href="https://addons.mozilla.org/en-US/firefox/" rel="nofollow">Mozilla Add-ons Web Page</a></strong></em> {web link}
(There’s a lot of good stuff here) and search for a good add / pop-up blocker.
</p><p>You can also take a look at;
<strong><a href="https://addons.mozilla.org/en-US/firefox/addon/blocksiteplus/?src=search" rel="nofollow">BlockSite Plus</a></strong> {web link}
BlockSite is an extension, which automagically blocks websites
of your choice. Additionally, this extension will disable all
hyperlinks to these websites, by just displaying the link text
without the clicking functionality.
</p>You have three extensions from the one family that you'd be better off without -
Advanced System C2014-06-07T19:18:32-07:00alan_rhttps://support.mozilla.org/ga-IE/questions/1005068#answer-587875<p>You have three extensions from the one family that you'd be better off without -
</p>
<ul><li>Advanced System Care
</li><li>IObit Apps Toolbar
</li><li>Slick Savings
</li></ul>
<p>Googling them will give you the general idea. Only accept advice from third parties.
Do they do anything for you? Do you Know where you got them?
</p>