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[Solved]Opera does not play videos (not flash, I think html5) like on twitter or many other pages

  • There only appears a message: "This video could not be played" (translated)

  • Try disabling the ad-blocker on that page and see if it helps.

  • Interesting, Steve.

    A couple of sites say the same with browsers equipped with blockers.
    Sniffing at such blockers started recently on a few video services.

    On some, disabling (for the page), loading the element then enabling back again helps. On others, sniffing persists.
    Disabling the blocker altogether endangers the computer, let alone overloading CPU.

    When no disabling, I noticed the extensions poised to help download media will still locate the file(s) and will eventually download them if needed. I have a simple guy in tuxedo in Opera, and more than one exts in Firefox. Third browser I use does play those videos not having any exts or blockers.

  • Try disabling the ad-blocker on that page and see if it helps.

    It does not help, even in private mode, when all plugins should be disabled, it doesn't work.

  • I moved "%appdata%\Opera Software" and also installed opera beta, same problem...!?!

    Why doesn't it work? The message is:

    The media could not be played.

    Here are some system information:


    Opera bewerten

    Version: (PGO) - Opera ist auf dem neuesten Stand
    Update-Stream: Stable
    Betriebssystem: Windows 7 64-bit

    Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.86 Safari/537.36 OPR/ (Edition EXP154)


    Installations-Verzeichnis: C:\Program Files\Opera
    Profil-Verzeichnis: C:\Users\martin\AppData\Roaming\Opera Software\Opera Stable
    Cache-Verzeichnis: C:\Users\martin\AppData\Local\Opera Software\Opera Stable

    Operating System

    Betriebssystemname Microsoft Windows 7 Professional N
    Version 6.1.7601 Service Pack 1 Build 7601
    Zusätzliche Betriebssystembeschreibung Nicht verfügbar
    Betriebssystemhersteller Microsoft Corporation
    Systemname MARTIN-LAPTOP
    Systemhersteller LENOVO
    Systemmodell 20267
    Systemtyp x64-basierter PC
    Prozessor Intel(R) Core(TM) i5-4210U CPU @ 1.70GHz, 2401 MHz, 2 Kern(e), 4 logische(r) Prozessor(en)
    BIOS-Version/-Datum LENOVO 7CCN62WW, 13.11.2014
    SMBIOS-Version 2.8
    Windows-Verzeichnis C:\Windows
    Systemverzeichnis C:\Windows\system32
    Startgerät \Device\HarddiskVolume1
    Gebietsschema Deutschland
    Hardwareabstraktionsebene Version = "6.1.7601.17514"
    Benutzername MARTIN-LAPTOP\martin
    Zeitzone Mitteleuropäische Sommerzeit
    Installierter physikalischer Speicher (RAM) 4,00 GB
    Gesamter realer Speicher 3,93 GB
    Verfügbarer realer Speicher 1,14 GB
    Gesamter virtueller Speicher 7,86 GB
    Verfügbarer virtueller Speicher 4,39 GB
    Größe der Auslagerungsdatei 3,93 GB
    Auslagerungsdatei C:\pagefile.sys

  • Does say that H264 is supported?

  • Video codecs
    MPEG-4 ASP support No ✘
    H.264 support No ✘
    H.265 support No ✘
    Ogg Theora support Yes ✔
    WebM with VP8 support Yes ✔
    WebM with VP9 support Yes ✔
  • H.264 support No ✘

    That's the reason for those videos don't play, most possibly.

  • H.264 support No ✘

    I have the same issue too.
    I am using Opera on Windows XP, Opera 36.0.2130.80.

    Twitter has n't been working me for a long time.

    VLC media player is listed as on the plug-in. Tried turning it on and off....

  • where can we find the codec? (didn't find anything on google for installation)

    I think on my system it doesn't work because I have Win 7 64 Bit N (N = no Windows Media Player)

  • I have the same issue too.
    I am using Opera on Windows XP, Opera 36.0.2130.80

    XP can't play h264 videos natively so Opera can't play those videos.

  • I think on my system it doesn't work because I have Win 7 64 Bit N (N = no Windows Media Player)

    Try installing the media pack, it may help.

    where can we find the codec?

    Opera can only play h264 if your OS can do it natively so installing the codec probably will not help.

  • Try installing the media pack, it may help.

    OK that helped, thx!

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