Description of problem:
I adhered to https://help.ubuntu.com/community/ClamAV?action=recall&rev=43#Update_Virus_Definitions:~:text=output%20like%20this:-,sudo%20freshclam,-ClamAV%20update%20process, [^1] invoked ClamTk, then closed it. I may have saved the automatic update preference without modifying it. (I'd include the version of the documentation, if not for https://github.com/canonical/ubuntu.com/issues/15921#issue-3754821932.)

[^1]: https://github.com/canonical/help.ubuntu.com/issues/3#issuecomment-3783942150

Version-Release number of selected component:
clamtk-6.18-4.fc43

Additional info:
reporter:       libreport-2.17.15
type:           CCpp
reason:         perl killed by SIGABRT
journald_cursor: s=c1f108f1ef4e48808a377c0a73f168fc;i=10117ed;b=f22e4d934e954dce86ad54dbc50c0c54;m=13d5612c9;t=6468eb35cbcd1;x=bbd163009b199df7
executable:     /usr/bin/perl
cmdline:        /usr/bin/perl /usr/bin/clamtk
cgroup:         0::/user.slice/user-1000.slice/user/app.slice/app-clamtk
rootdir:        /
uid:            1000
kernel:         6.17.12-300.fc43.x86_64
package:        clamtk-6.18-4.fc43
runlevel:       /bin/sh: line 1: runlevel: command not found
backtrace_rating: 4
crash_function: g_free_sized
comment:        I adhered to https://help.ubuntu.com/community/ClamAV#Update_Virus_Definitions:~:text=output%20like%20this:-,sudo%20freshclam,-ClamAV%20update%20process, invoked ClamTk, then closed it. I may have saved the automatic update preference without modifying it. (I'd include the version of the documentation, if not for https://github.com/canonical/ubuntu.com/issues/15921#issue-3754821932.)

Truncated backtrace:
Thread no. 1 (3 frames)
 #10 g_free_sized at ../glib/gmem.c:238
 #11 g_type_free_instance at ../gobject/gtype.c:1979
 #13 gtk_widget_real_destroy at ../gtk/gtkwidget.c:12356


Potential duplicate: bug 2361268