Windows 10 cannot change default program for file type

#Windows 10 cannot change default program for file type mp4#

Is this a permissions issue? I stupidly changed permissions whilst trying to fix the WinDef problem without knowing anything about what they are or how they work, so I'm wondering if this is all my own fault?ДЄre permissions written to a file or is it a registry thing?ДЄre permissions reset when windows is reset?ДЄlso, I've noticed by following the link above, that the permissions for. I have updated all drivers, reset windows several times, even straight after a reset these issues are apparent. Upon opening the video file, no picture is displayed only sound.

#Windows 10 cannot change default program for file type mp4#

MP4 files do the same, but this is also another issue. It's as if the Checkbox hadn't been ticked. It opens in SynWrite but does not register the association for future use. ini or any other text file and select Open With.Д¬heck the Always use this app box and navigate to the folder to select the app. For example, I use SynWrite for all types of text files. It doesn't matter which file type I try, the same thing happens.

The icon doesn't change and when opening the file a second time it uses windows default. Every attempt is simply not recorded as if it was a temporary action. It worked! Except now, I cannot set any file associations. Thinking this would solve any issues with WinDef. It was switched off and couldn't be reactivated due to all the switches being greyed out in Win10 Settings.ДЄfter a full day of attempting to find a solution, I decided to simply reset my device. It worked fine for a week then suddenly WinDefender decided to stop working. I recently bought a ВЈ1550 MSI GE63VR 8RE laptop. I can return the laptop but am trying to avoid this due to needing the use of it.

Hi, well, my problem seems to be fairly unique.