Dr460nized lost wallpapers and ability to get themes

[filo]

I think the second problem is a temporary issue typical of KDE.
Have you tried using KDE settings / Global Theme?
And make sure to reboot:

Problem with applying themes

When I choose to install any theme with the checkboxes for design parameters and widget and window locations enabled, only the open System Settings window remains on the desktop. The theme itself, the desktop, desktop shortcuts, wallpaper, everything disappears, a black screen. If I close the Settings, there will just be a black background. If I set a background image, the system immediately freezes. So with any theme that is installed or downloaded. The applied theme will work after rebooting t…