muon crashed with signal 5

[Norbert]

did installation of some software using Muon, then it crashed

ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: muon 4:5.8.0-1ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-21.25-lowlatency 5.4.27
Uname: Linux 5.4.0-21-lowlatency x86_64
ApportVersion: 2.20.11-0ubuntu22
Architecture: amd64
CurrentDesktop: MATE
Date: Sat Apr 4 19:05:00 2020
ExecutablePath: /usr/bin/muon
InstallationDate: Installed on 2020-04-03 (0 days ago)
InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
ProcCmdline: muon
Signal: 5
SourcePackage: muon
StacktraceTop:
 () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
 () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
 g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: muon crashed with signal 5
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
separator:

[Apport retracing service (apport)]

StacktraceTop:
 ik_source_read_some_events (buffer=buffer@entry=0x7f5b1befac10 "", buffer_len=buffer_len@entry=4096, iks=<optimized out>) at ../../../gio/inotify/inotify-kernel.c:160
 ik_source_read_all_the_events (buffer_len=4096, length_out=<synthetic pointer>, buffer=0x7f5b1befac10 "", iks=0x55fbd28a6670) at ../../../gio/inotify/inotify-kernel.c:253
 ik_source_dispatch (source=0x55fbd28a6670, func=0x7f5b207ade60 <ip_event_callback>, user_data=<optimized out>) at ../../../gio/inotify/inotify-kernel.c:253
 g_main_context_dispatch () from /tmp/apport_sandbox_df3oryu_/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.1
 g_main_context_iterate.isra () from /tmp/apport_sandbox_df3oryu_/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.1