i open opera tab, hit for a research

Where did you research?

i find a link for interest, i click it, the page downloads, i start reading, scrolling up and down, i see the spinning wheel on the top of the page, like its downloading something

And does it happens on all pages? All the time?

Opera Version: 40, OS: Windows 10.

Problem in objective and concise brief:

i open opera tab, hit for a research, i find a link for interest, i click it, the page downloads, i start reading, scrolling up and down, i see the spinning wheel on the top of the page, like its downloading something, even that the page is all there and i am reading !!

may i have an answer now, please?

Thanks

what could be the problem?

There is something still waiting to be downloaded?

Please read this and provid ethe necessary information so people can try to reproduce the problem.