Created attachment 152797 [details] There are here! A once time upon ago I installed a many theme of plasma style. Trouble with them show up, when I was trying to uninstall theme. I clicked a trash button, but is showing a message "Removing theme failed: Plugin is not installed. I used a local command to localization a resource, and i found a one exemplary: /home/lenni/.local/share/color-schemes/Sweet.colors There are existing, but why plasma is showing a mentioned message. Please try to fix that, it is so cumbered!
Thank you for the bug report! Please note that Plasma 5.25.5 is not supported for much longer by KDE; supported versions are 5.24, and 5.26 or newer. If at all possible please upgrade to a supported version and verify that the bug is still happening there.
Bad news. I was forced to use backup ); My desktop doesn't showing many window. I do not know why. Firefox, or steam is invisible. Now I'm scared to use pacman, or flatpak.
*** This bug has been marked as a duplicate of bug 418099 ***