Youtube only works in Firefox Safe Mode or via a total refresh of Firefox.

I disabled uBlock Origins - it didnвЂ™t help. When comparing uBlock Origin vs AdBlocker Ultimate, the Slant community recommends uBlock Origin for most people. I turned off uBlock Origins - it didnвЂ™t help. It is the first and only extension added after the refresh step 3. I'm not sure if those are enabled - sometimes one doesn't know is default actually disabled or enabled (I'm using Opera Stable (latest)). I went to about:addons and enabled uBlock Origins addon and Youtube failed to work. This guide will explain the ins and outs of uBlock OriginвЂ™s advanced features, including adding custom lists, creating custom user filters, setting up dynamic blocking rules, and adjusting rules for uBlock Origin on specific domains with the advanced user interface. Unfortunately, the design is also a little obscure. The best iPad alternative is Adblock Plus.

There's a bunch of flags in Opera about ad blocking behavior. uBlock Origin is the most powerful and versatile ad blocker available. uBlock Origin (Legacy) External An efficient blocker add-on for various browsers. uBlock Origin is not available for iPad but there are plenty of alternatives with similar functionality.

Ublock origins