Mem Reduct 3.2 Portable - Install. This will help you.

Flash Player in Opera Developer 42.0.2392.0 stopped open video on the site. http://ren.tv/novosti/2016-10-30/pervoe-video-novogo-moshchnogo-zemletryaseniya-v-centre-italii .
This plus the fact that Opera does not open in full screen, as described above.

This defect is corrected in the Opera Developer 43.0.2431.0.
And when the first correct a defect: does not open a full screen video?
https://s14.postimg.org/p0k1rtlr5/image.jpg

https://s14.postimg.org/p0k1rtlr5/image.jpg

Stable(41.0.2353.69 - 22.11.2016),Beta(42.0.2393.38 - 16.11.2016),Developer(43.0.2420.0 - 22.11.2016)
Flash Player does not open a full screen when in WIN 7 Ratio> 100 % . I have in Win 7 is set to 150%= 144 DPI.
example:
https://my-hit.org/film/419506/
http://bigbangtv.ru/video/10_season/s10e08.php
http://seasonvar.ru/serial-114-Mrtvie_kak_ya-2-season.html

When the fix?
P.S. In OperaStabl 38.0.2220.31 Flash Player works fine.

Log Messages

[1122/190536:ERROR:mf_helpers.cc(12)] : Error in dxva_video_decode_accelerator_win.cc on line 345
[1122/190548:ERROR:mf_helpers.cc(12)] : Error in dxva_video_decode_accelerator_win.cc on line 345
[1122/190617:ERROR:mf_helpers.cc(12)] : Error in dxva_video_decode_accelerator_win.cc on line 345
[1122/190629:ERROR:mf_helpers.cc(12)] : Error in dxva_video_decode_accelerator_win.cc on line 345

We hope that the new owners fired the developers involved in the processing of video Opera. And Flash will work just as well as the on Chrome.
This solution to the problem?

leocg, what to do? In previous versions, this was not.

If the opera: // plugins to disable Adobe Flash Player, the video on the site will show http://ren.tv/novosti/2016-10-30/pervoe-video-novogo-moshchnogo-zemletryaseniya-v-centre-italii (in Opera Developer 42.0.2392.0 )!
 What sort of tricks?

Flash Player in Opera Developer 42.0.2392.0 stopped open video on the site. http://ren.tv/novosti/2016-10-30/pervoe-video-novogo-moshchnogo-zemletryaseniya-v-centre-italii .
This plus the fact that Opera does not open in full screen, as described above.

Transfer the contents 40.0.2308.81 folder to 41.0.2353.46, pre-clearing the folder 41.0.2353.46 .

Вопрос решен. Разработчики исправили в последующих версиях этот дефект!