Firefox 57.0.4 (64-Bit) updated 1/2018

ProxTube 4.0.5 works good but increases video loading time. Often loading is being restarted even if ProxTube is switched off.
Now I can see a video in Germany which is restricted to non-Germany. But why can I see it NOW also even if ProxTube is switched off???

Disturbing: The green money bar appearing every time. Because of this and the increased video loading time, I activate only if necessary.