pcmanfm crashed when moving nef files

[Hans P. Möller]

I have seen several unstabilities in pcmanfm in lubuntu 18.04 which I didn't saw in 17.10 nor in 16.04.- I haven't been able to reproduce it consistently but time to time it crash or hangs. I have to setups with lubuntu 18.04 one with virtualbox and one physicial machine and I have expirienced the unstability in both. I'va also creqated other bugs regarding pcmanfm unstability 1776547, 1775015. I don't know if they are related.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: pcmanfm 1.2.5-3ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18
Uname: Linux 4.15.0-23-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
Config_pcmanfm_System_Lubuntu: Error: [Errno 2] No existe el archivo o el directorio: '/etc/xdg/pcmanfm/Lubuntu/lubuntu.conf'
CurrentDesktop: LXDE
Date: Sun Jun 17 09:10:43 2018
InstallationDate: Installed on 2018-06-09 (8 days ago)
InstallationMedia: Lubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: pcmanfm
Udisks_dump: Error: [Errno 2] No existe el archivo o el directorio: 'udisks': 'udisks'
UpgradeStatus: No upgrade log present (probably fresh install)