Windows 10: Trouble playing mp4 files in Windows Explorer after automatic update Windows 10

My PC just ran an update and now I get this error message every time I try to double click an mp4 file to play it: "The package cannot be installed because a higher version of this package is already installed." This is extremely frustrating since I'm in the middle of a production and everything was working fine before the automatic update. I don't have much time to troubleshoot since I'm on the clock. If anyone knows a solution, please advise. Thanks so much.Microsoft Windows 10 Pro Version 10.0.19043 Build 19043

:)

 

Windows 10 Tweaks

Pressing “Windows+Pause Break” (it’s up there next to scroll lock) opens the “System” Window.

Windows 10: In the new version of Windows, Explorer has a section called Quick Access. This includes your frequent folders and recent files. Explorer defaults to opening this page when you open a new window. If you’d rather open the usual This PC, with links to your drives and library folders, follow these steps:

• Open a new Explorer window.
• Click View in the ribbon.
• Click Options.
• Under General, next to “Open File Explorer to:” choose “This PC.”
• Click OK

credit to Lifehacker.

 

windows automatic updates

i have some questions about the windows automatic updates in windows xp pro w sp/2. ive got about forty updates they recommend , mostly for security but i only installed two today. after installing them i found them in my add/remove programs in the control panel, if i add all these updates that is a lot of space on my hd almost 1 gig. i thought that updates just updated files and not created new programs. should i innore all these update suggestions from microsoft?

 

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.