Solved Strange behavior of the Photos app

I'm running the latest release of Microsoft Photos (2024.11050.3002.0) and noticed that the Photo file association in Settings Default apps has changed to Microsoft WinRT storage API.
When I click on a photo file, it opens in the Microsoft Photos application, only the size of the window has become smaller.
At the same time, I noticed that two unsolicited applications were installed in the Microsoft Store, these are:

WinAppRuntime.Main.1.5
WinAppRuntime.Singleton

How can I restore the original file associations?
Does Microsoft Photos need WinAppRuntime?
Unfortunately, I have already deleted the restore points.

Thanks!

Windows Photos app (2024.11050.3002.0) does require WinAppRuntime 1.5.

Presuming your Photos app isn't corrupted, you should be able to update default file associations thru Settings / Apps / Default Apps / Choose defaults by file type.

garlin said:

Windows Photos app (2024.11050.3002.0) does require WinAppRuntime 1.5.

Presuming your Photos app isn't corrupted, you should be able to update default file associations thru Settings / Apps / Default Apps / Choose defaults by file type.

Click to expand...

I reset the Photos app and the original associations for all file extensions were restored.
If Photos needs them (WinAppRuntime.Main.1.5 and WinAppRuntime.Singleton) they can stay.

Thank you for your quick help!