I found this in Manjaro but had reports in Xubuntu 19.04 has well but the issue is consistent to all fresh OS installation with --classic confinement This happens in any application with --classic (vscode, slack, etc) process:1303): Gtk-WARNING **: 15:31:54.946: Locale not supported by C library. Using the fallback 'C' locale. /snap/core/current/lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.25' not found (required by /usr/lib/libcrypto.so.1.1) Failed to load module: /usr/lib/gio/modules/libgioopenssl.so /usr/lib/gio/modules/libgioremote-volume-monitor.so: undefined symbol: g_mount_operation_get_is_tcrypt_system_volume Failed to load module: /usr/lib/gio/modules/libgioremote-volume-monitor.so Gtk-Message: 15:31:55.313: Failed to load module "canberra-gtk-module" Gtk-Message: 15:31:55.328: Failed to load module "canberra-gtk-module"