That editor usually enables Photos users to set up video projects.
Users cant add and edit their MP4s in the Photos video editor because of that error.
Does the same error pop up when you make a run at add MP4s in Photos?
ThoseRepairandResetoptions available for the Photos app are worth a try.
This is how you’re free to select to repair and reset the Photos app in Windows 11/10.
Some users have resolved that issue by erasing previous video projects in their Photos apps.
Delete previous video projects in Photos as follows:
3.
Those users selected to add folders that include their clips outside of Photos video editor.
These are the steps for manually selecting a video source folder:
4.
Reregistering the app will likely deal with the issue if thats the case.
To reregister Photos Legacy in Windows 11, you’ll need to replaceMicrosoft.Windows.Photosin that command withMicrosoft.PhotosLegacy_2022.31100.20005.0_x64__8wekyb3d8bbwe.
That command looks like this:
5.
Reinstall the Photos App
Reinstalling Photos will give you a fresh new copy of the app.
You cant uninstall Windows 10’s Photos app via prefs, but a PowerShell command will do the job.
To do so, open Apps & features; and click theUninstalloption for Photos Legacy.
Then reinstall that app by clickingGet in Storeon thePhotos Legacy Microsoft Store pageand selecting theInstalloption.
The MP4 files you cant add in Photos could be corrupted or damaged.
However, not all the most effective Windows video repair software packages are freeware.
That utility might help you fix the properties that cant be read if its enabled on your PC.
Selecting a restore point that predates that Photos error on your PC could handle the matter.
Your best bet is to choose the oldest restore point available.
you could roll back Windows as covered in our guide onutilizing System Restore for Windows.
However, the potential resolutions in this guide have resolved that video-editing issue for some Photos users.
So, maybe one will fix the video editor in your Photos app as well.
