Windows 10: Issue AGAIN , playing MP4 Videos

Here is a link to my original topic , which for some reason is locked .... I did not lock it , so not sure why it was locked ... https://answers.microsoft.com/en-us/windows/forum/windows_10-performance/windows-10-issue-with-mp4-gopro-video-playback/70881d56-b74f-4660-9712-bc0fd4759119But , it now has to the 21H2 Update which it did not have when I posted the original topic , as I did not want it , but Microsoft decided to install it anyway , much to my dismay .. , its been on it for a while , I have been having issues also with Audio volume being low with Windows sounds , but if you go

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Mp4 video unable to play

Hi, everyone.
I got a video mp4 unable to play or cannot render this file when i am play with windows media player.
I have tried to repair the video with Stella Phoenix video repair. But its same.







This video still have the file size, but it just unable to play.


Thanks and regards
Clarence Lim

 

Playing MP4 files

ATM am trying Video Inspector, but am unable to load the MP4 file on my desktop for inspection

Suggestions?

 

Playing MP4 files

MP4 is a container file, a lot depends on the codecs within that.
MP4 can be played with Windows 10 with Films & TV, Photos, Windows Media Player, and VLC.
If those can't then there must be something odd/unusual in the file.

Right click the File > Properties > Details Tab.
see if that gives you more info, should be some info on the video/audio but not codecs.

Try the suggestions from post #3.

You have to be careful as viruses are propogated by people simply changing the filename extension and auto-forwarding via an infected PC and a compromised address list.
So a targeted scan with AV is necessary for every file attachement even if apparently from someone you know.