I am in developer mode. It still doesn&#x27;t let me use third party extensions. Here&#x27;s a screenshot <a href="http:&#x2F;&#x2F;i.imgur.com&#x2F;d5y8icz.png?1" rel="nofollow">http:&#x2F;&#x2F;i.imgur.com&#x2F;d5y8icz.png?1</a><p>Doing some more research, it looks like Chrome started doing this awhile ago to prevent malware, supposedly. You can now only get extensions through the Chrome web store.