Hi, Please try out following steps and if it helps 1.Please work through the below guide. https://helpx.adobe.com/flash-player/kb/video-playback-issues.html Follow the directions in the guide on providing the dxdiag report and additional information about what you tested and observed. 2. disable hardware acceleration in settings.Steps are mentioned in below link How do I disable or enable hardware acceleration? Also, please check if the video is using flash content, you can check it by right click on the video.If it shows flash player version, then only the video is flash content video.
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