Opera 65.0.3467.48 and MP4, H.264/5
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burnout426 Volunteer last edited byAlso, create another user account on Windows, log into it and try Opera and IE there just to see if it's something messed up with your user account. I wonder if something hosed the Windows Media Foundation files on your Windows. 
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burnout426 Volunteer last edited byYou do indeed have Service Pack 1 installed for Win7 and have Win7 all updated, correct? 
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burnout426 Volunteer last edited by burnout426Did anything else happen at the same time Opera updated when you starting having this problem? As in, did you update any other programs or install any new programs? Any system crashes? It sounds like you need to reinstall Windows. 
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A Former User last edited byI installed Google chrome, it normally plays all the videos, but Opera does not. Why? 
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A Former User last edited byare you saying that Opera doesn't have a license to use codecs? how so? 
