Im having probs my excarises doesnt load when i type run it doesnt let me run it again its just loading


ples help me im having trouble


yeah im having this too, i am having to go back to the last task then click next again


Please help i'm stuck in BOOLEAN OPERATORS: ! exercises.
When I hit RUN it don't proceed to the next lesson. I'm still in number 4.


At the risk of sounding like The IT Crowd, I'll reiterate. Use a different browser. I had the same problem with IE11, changed to Firefox.