Hello! That is related to https://bugzilla.redhat.com/show_bug.cgi?id=2184830 xscreensaver-demo and xscreensaver-settings fail to run: m@localhost:~$ xscreensaver-settings xscreensaver-settings: 10:01:09.62: X error: xscreensaver-settings: Failed request: BadMatch (invalid parameter attributes) xscreensaver-settings: Major opcode: 42 (X_SetInputFocus) xscreensaver-settings: Resource id: 0xe00007 xscreensaver-settings: Serial number: 447 / 449 m@localhost:~$ If somebody is interested in an image of my virtual machine for diagnose, I can provide it. Reproducible: Always Steps to Reproduce: Install minimal installation of Fedora Server edition. Install X11, xinit, mwm. Place mwm in .Xclients and run mwm. Ru xscreensaver-settings m@localhost:~$ dnf list installed xorg* Installierte Pakete xorg-x11-drv-libinput.x86_64 1.4.0-1.fc39 @fedora xorg-x11-fonts-misc.noarch 7.5-36.fc39 @fedora xorg-x11-server-Xorg.x86_64 1.20.14-28.fc39 @updates xorg-x11-server-common.x86_64 1.20.14-28.fc39 @updates xorg-x11-xauth.x86_64 1:1.1.2-4.fc39 @fedora xorg-x11-xbitmaps.noarch 1.1.2-4.fc39 @fedora xorg-x11-xinit.x86_64 1.4.2-1.fc39 @updates xorg-x11-xinit-session.x86_64 1.4.2-1.fc39 @updates m@localhost:~$ m@localhost:~$ dnf list installed motif Installierte Pakete motif.x86_64 2.3.4-30.fc39 @updates m@localhost:~$ m@localhost:~$ dnf list installed xscreensaver* Installierte Pakete xscreensaver.x86_64 1:6.08-1.fc39 @updates xscreensaver-base.x86_64 1:6.08-1.fc39 @updates xscreensaver-extras.x86_64 1:6.08-1.fc39 @updates xscreensaver-extras-base.x86_64 1:6.08-1.fc39 @updates xscreensaver-gl-base.x86_64 1:6.08-1.fc39 @updates xscreensaver-gl-extras.x86_64 1:6.08-1.fc39 @updates m@localhost:~$