For example, the Photos app has been corrupted or the file you are prepared to open is damaged.
Besides, system file or cache project corruptions can also make the error occur.
In this way, we have concluded a series of fixes to troubleshoot the issue one by one.
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Usually, the bugs can be easily fixed by the options.
Step 1: Go toStart > configs > Apps > Apps & features.
Step 2: Scroll down from the right panel to clickMicrosoft Photosand clickAdvanced options.

Step 3: Scroll down to chooseRepairand after that, you might test whether the error has been gone.
If that cant work, clickResetto fix the error.
MiniTool ShadowMakeris a free backup tool with advanced features and functions.
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You will have an extraordinary backup experience with it.
This post shows you some easy and effective solutions.
you’re free to take a stab at erase previous video projects in Photos to fix the issue.
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This post explains how to stop Windows 10 from deleting files automatically and recover deleted data.
Step 1: Build a folder that includes all the MP4 files youve tried.
Step 2: Open Photos and choose the three-dot icon to selectSettings.

Step 3: ClickAdd a folderand choose the folder youve created to add it.
Step 1: InputPowerShellin Search and run it as an administrator.
Step 2: Input the following command and pressEnterto execute the command.
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What is Windows PowerShell?
What are the differences between PowerShell and CMD?
This post shows you the answers.
Related articles:
Remember to back up your important data before your start a clean installation of Windows.
The listed methods are available for you to try and some of them can patch up the issue.
Hope the article is useful for you.