The lock screen background is completely black and cannot be adjusted

[Windows 11]

In order to change the wallpaper when logging in my local user account, I tried a method online, but accidentally permanently deleted all folders under C: \ ProgramData \ Microsoft \ Windows \ SystemData, so the lock screen wallpaper was completely invalidated, and now it becomes completely black and cannot be changed with any buttons like slideshow or windowss spotlight to get the pic back. Is there any way to solve it? My computer cannot be restored using any of the recovery options, so I hope to be able to fix it directly in the system.

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