Maybe it's related to bug 1284918 https://bugs.launchpad.net/ubuntu/+source/xubuntu-default-settings/+bug/1284918
I solved it on Arch Linux by going in Light Locker Settings → Automatically lock the session → Never. It's still locked because Xfce Power Manager has a redundant setting (in Security), maybe this is the cause in my case.
Maybe it's related to bug 1284918 https:/ /bugs.launchpad .net/ubuntu/ +source/ xubuntu- default- settings/ +bug/1284918
I solved it on Arch Linux by going in Light Locker Settings → Automatically lock the session → Never.
It's still locked because Xfce Power Manager has a redundant setting (in Security), maybe this is the cause in my case.