File Manager frequently freezes, then crashes

Ubuntu 18.04.4 LTS
PCManFM 1.2.5

File manager frequently freezes and then crashes, for no particular reason. It just happens.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: pcmanfm 1.2.5-3ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-99.100-generic 4.15.18
Uname: Linux 4.15.0-99-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.14
Architecture: amd64
Config_pcmanfm_System_Lubuntu: Error: [Errno 2] No such file or directory: '/etc/xdg/pcmanfm/Lubuntu/lubuntu.conf'
CurrentDesktop: LXDE
Date: Mon May 4 05:45:21 2020
InstallationDate: Installed on 2019-11-02 (183 days ago)
InstallationMedia: Lubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: pcmanfm
Udisks_dump: Error: [Errno 2] No such file or directory: 'udisks': 'udisks'
UpgradeStatus: No upgrade log present (probably fresh install)